{
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     "date": "2026-08-09"
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   "id": "de-regimentsdochter-1889-hollandsch-opera-gezelschap",
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     "date": "1889-11-09",
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     "date": "1894-07-22",
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     "date": "1894-08-05",
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   "id": "zes-en-zestig-1894-kiehl-kelly",
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    "gezelschap-kiehl-kelly"
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    {
     "date": "1894-08-06",
     "time": null,
     "place": "Grand Théâtre, Amsterdam (seizoen 1894/1895)",
     "venue": null
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     "url": "https://theaterencyclopedie.nl/wiki/Zes_en_zestig_-_Gezelschap_Kiehl_%26_Kelly_-_1894-08-06",
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   "id": "de-fideele-boer-1908-nv-nederlandsche-opera-en-operette",
   "title": "De fideele boer",
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   "translation": null,
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    {
     "date": "1908-08-29",
     "time": null,
     "place": "",
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    {
     "date": "1909-12-22",
     "time": null,
     "place": "",
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    {
     "date": "1910-12-06",
     "time": null,
     "place": "",
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    {
     "date": "1911-12-09",
     "time": null,
     "place": "",
     "venue": null
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   "id": "de-klokken-van-corneville-1908-nv-nederlandsche-opera-en-operette",
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     "date": "1908-09-06",
     "time": null,
     "place": "",
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    {
     "date": "1909-11-13",
     "time": null,
     "place": "",
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    {
     "date": "1910-09-11",
     "time": null,
     "place": "",
     "venue": null
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    {
     "date": "1911-09-03",
     "time": null,
     "place": "",
     "venue": null
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    {
     "date": "1912-08-25",
     "time": null,
     "place": "",
     "venue": null
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   "id": "een-walsdroom-1908-nv-nederlandsche-opera-en-operette",
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    {
     "date": "1908-10-03",
     "time": null,
     "place": "",
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    {
     "date": "1909-09-21",
     "time": null,
     "place": "",
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    {
     "date": "1910-09-04",
     "time": null,
     "place": "",
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    {
     "date": "1911-12-27",
     "time": null,
     "place": "",
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    {
     "date": "1913-01-04",
     "time": null,
     "place": "",
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    {
     "date": "1914-01-24",
     "time": null,
     "place": "",
     "venue": null
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   "id": "de-mascotta-1908-nv-nederlandsche-opera-en-operette",
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   "translation": null,
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   "status": "past",
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   "performances": [
    {
     "date": "1908-11-06",
     "time": null,
     "place": "",
     "venue": null
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    {
     "date": "1911-03-27",
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     "place": "",
     "venue": null
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    {
     "date": "1912-06-08",
     "time": null,
     "place": "",
     "venue": null
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    {
     "date": "1914-03-28",
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     "place": "",
     "venue": null
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   "id": "de-dollarprinses-1908-nv-nederlandsche-opera-en-operette",
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    {
     "date": "1908-11-14",
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     "place": "",
     "venue": null
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    {
     "date": "1909-08-30",
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     "place": "",
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    {
     "date": "1910-09-12",
     "time": null,
     "place": "",
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    {
     "date": "1911-09-15",
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     "place": "",
     "venue": null
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    {
     "date": "1912-09-13",
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   "id": "de-musketiers-1909-nv-nederlandsche-opera-en-operette",
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     "date": "1909-01-21",
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     "place": "",
     "venue": null
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    {
     "date": "1909-02-26",
     "time": null,
     "place": "",
     "venue": null
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    {
     "date": "1913-01-01",
     "time": null,
     "place": "",
     "venue": null
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   "id": "erminie-1909-nv-nederlandsche-opera-en-operette",
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     "date": "1909-04-03",
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     "place": "",
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     "date": "1909-12-24",
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     "place": "",
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    {
     "date": "1909-09-01",
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     "date": "1909-09-28",
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     "date": "1910-10-24",
     "time": null,
     "place": "",
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    {
     "date": "1911-10-13",
     "time": null,
     "place": "",
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    {
     "date": "1913-01-25",
     "time": null,
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    {
     "date": "1910-11-15",
     "time": null,
     "place": "",
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    {
     "date": "1911-11-14",
     "time": null,
     "place": "",
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     "date": "1913-04-18",
     "time": null,
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     "date": "1910-02-05",
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     "date": "1911-05-27",
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     "date": "1911-09-09",
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   "music_credit": null,
   "translation": "Marie van Westerhoven",
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "nv-nederlandsche-opera-en-operette"
   ],
   "performances": [
    {
     "date": "1911-03-18",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Nicolaas_Nickleby_-_N.V._Nederlandsche_Opera_en_Operette_-_1911-03-18",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/nicolaas-nickleby-1911-nv-nederlandsche-opera-en-operette/"
  },
  {
   "id": "hart-en-hand-1911-nv-nederlandsche-opera-en-operette",
   "title": "Hart en hand",
   "composer": "Charles Lecocq",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nv-nederlandsche-opera-en-operette"
   ],
   "performances": [
    {
     "date": "1911-04-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Hart_en_hand_-_N.V._Nederlandsche_Opera_en_Operette_-_1911-04-03",
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/hart-en-hand-1911-nv-nederlandsche-opera-en-operette/"
  },
  {
   "id": "de-revisor-1911-nv-nederlandsche-opera-en-operette",
   "title": "De Revisor",
   "composer": "Karel Weis",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nv-nederlandsche-opera-en-operette"
   ],
   "performances": [
    {
     "date": "1911-05-20",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Revisor_-_N.V._Nederlandsche_Opera_en_Operette_-_1911-05-20",
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-revisor-1911-nv-nederlandsche-opera-en-operette/"
  },
  {
   "id": "jong-heidelberg-1911-nv-nederlandsche-opera-en-operette",
   "title": "Jong Heidelberg",
   "composer": "Carl Millöcker",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nv-nederlandsche-opera-en-operette"
   ],
   "performances": [
    {
     "date": "1911-07-01",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "1911-09-23",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Jong_Heidelberg_-_N.V._Nederlandsche_Opera_en_Operette_-_1911-07-01",
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/jong-heidelberg-1911-nv-nederlandsche-opera-en-operette/"
  },
  {
   "id": "de-mikado-1911-nv-nederlandsche-opera-en-operette",
   "title": "De Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nv-nederlandsche-opera-en-operette"
   ],
   "performances": [
    {
     "date": "1911-07-15",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "1912-07-24",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Mikado_-_N.V._Nederlandsche_Opera_en_Operette_-_1911-07-15",
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-mikado-1911-nv-nederlandsche-opera-en-operette/"
  },
  {
   "id": "n-poolsche-bruiloft-1911-nv-nederlandsche-opera-en-operette",
   "title": "'n Poolsche bruiloft",
   "composer": "Jean Gilbert",
   "librettist": "Curt Kraatz en Georg Okonkowski",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nv-nederlandsche-opera-en-operette"
   ],
   "performances": [
    {
     "date": "1911-08-26",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/'n_Poolsche_bruiloft_-_N.V._Nederlandsche_Opera_en_Operette_-_1911-08-26",
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   ],
   "url": "https://operetteinnederland.nl/productie/n-poolsche-bruiloft-1911-nv-nederlandsche-opera-en-operette/"
  },
  {
   "id": "baron-trenck-1911-nv-nederlandsche-opera-en-operette",
   "title": "Baron Trenck",
   "composer": "Felix Albini",
   "librettist": "Alfred Maria Willner en Robert Bodanzky",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nv-nederlandsche-opera-en-operette"
   ],
   "performances": [
    {
     "date": "1911-09-30",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Baron_Trenck_-_N.V._Nederlandsche_Opera_en_Operette_-_1911-09-30",
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   ],
   "url": "https://operetteinnederland.nl/productie/baron-trenck-1911-nv-nederlandsche-opera-en-operette/"
  },
  {
   "id": "het-poppenmeisje-1911-nv-nederlandsche-opera-en-operette",
   "title": "Het Poppenmeisje",
   "composer": "Leo Fall",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nv-nederlandsche-opera-en-operette"
   ],
   "performances": [
    {
     "date": "1911-10-21",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Het_Poppenmeisje_-_N.V._Nederlandsche_Opera_en_Operette_-_1911-10-21",
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   ],
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  },
  {
   "id": "surcouf-de-kaper-1911-nv-nederlandsche-opera-en-operette",
   "title": "Surcouf de kaper",
   "composer": "Robert Planquette",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nv-nederlandsche-opera-en-operette"
   ],
   "performances": [
    {
     "date": "1911-11-18",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "1913-05-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Surcouf_de_kaper_-_N.V._Nederlandsche_Opera_en_Operette_-_1911-11-18",
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   ],
   "url": "https://operetteinnederland.nl/productie/surcouf-de-kaper-1911-nv-nederlandsche-opera-en-operette/"
  },
  {
   "id": "koning-oef-l-etoile-1911-nv-nederlandsche-opera-en-operette",
   "title": "Koning Oef",
   "composer": "Emmanuel Chabrier",
   "librettist": "Eugène Leterrier en Albert Vanloo",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   "performances": [
    {
     "date": "1911-12-09",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://theaterencyclopedie.nl/wiki/Koning_Oef_(L'Etoile)_-_N.V._Nederlandsche_Opera_en_Operette_-_1911-12-09",
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  {
   "id": "de-moderne-eva-1912-nv-nederlandsche-opera-en-operette",
   "title": "De moderne Eva",
   "composer": "Jean Gilbert",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "1912-01-13",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   "id": "de-man-met-de-drie-vrouwen-1912-nv-nederlandsche-opera-en-operette",
   "title": "De man met de drie vrouwen",
   "composer": "Franz Lehár",
   "librettist": "Julius Bauer",
   "music_credit": null,
   "translation": null,
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   "status": "past",
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   "performances": [
    {
     "date": "1912-02-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://theaterencyclopedie.nl/wiki/De_man_met_de_drie_vrouwen_-_N.V._Nederlandsche_Opera_en_Operette_-_1912-02-10",
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   "id": "het-meisje-van-montmartre-1912-nv-nederlandsche-opera-en-operette",
   "title": "Het meisje van Montmartre",
   "composer": "Henri Berény",
   "librettist": null,
   "music_credit": null,
   "translation": "Iska Guydel",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1912-03-16",
     "time": null,
     "place": "",
     "venue": null
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   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Het_meisje_van_Montmartre_-_N.V._Nederlandsche_Opera_en_Operette_-_1912-03-16",
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     "date": "2026-08-07"
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     "url": "http://resolver.kb.nl/resolve?urn=ddd:010108656:mpeg21:a0141:ocr",
     "date": "2026-08-07"
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  },
  {
   "id": "eva-het-fabrieksmeisje-1912-nv-nederlandsche-opera-en-operette",
   "title": "Eva, het fabrieksmeisje",
   "composer": "Franz Lehár",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   "performances": [
    {
     "date": "1912-04-06",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "1914-01-06",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Eva%2C_het_fabrieksmeisje_-_N.V._Nederlandsche_Opera_en_Operette_-_1912-04-06",
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  {
   "id": "de-ooievaar-heeft-zich-vergist-1912-nv-nederlandsche-opera-en-operette",
   "title": "De ooievaar heeft zich vergist",
   "composer": "Herre de Vos",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   "performances": [
    {
     "date": "1912-04-27",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://theaterencyclopedie.nl/wiki/De_ooievaar_heeft_zich_vergist_-_N.V._Nederlandsche_Opera_en_Operette_-_1912-04-27",
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     "date": "2026-08-21"
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   "id": "de-vledermuis-1912-nv-nederlandsche-opera-en-operette",
   "title": "De Vledermuis",
   "composer": "Johann Strauss jr.",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1912-06-01",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "1913-04-28",
     "time": null,
     "place": "",
     "venue": null
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   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Vledermuis_-_N.V._Nederlandsche_Opera_en_Operette_-_1912-06-01",
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   "id": "sirene-1912-nv-nederlandsche-opera-en-operette",
   "title": "Sirene",
   "composer": "Leo Fall",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1912-06-15",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "1913-03-22",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Sirene_-_N.V._Nederlandsche_Opera_en_Operette_-_1912-06-15",
     "date": "2026-08-07"
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   "url": "https://operetteinnederland.nl/productie/sirene-1912-nv-nederlandsche-opera-en-operette/"
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   "id": "de-28-dagen-van-clairette-1912-nv-nederlandsche-opera-en-operette",
   "title": "De 28 dagen van Clairette",
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   "librettist": null,
   "music_credit": null,
   "translation": null,
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   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1912-07-01",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "1912-09-09",
     "time": null,
     "place": "",
     "venue": null
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   ],
   "sources": [
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   "id": "venus-1912-nv-nederlandsche-opera-en-operette",
   "title": "Venus",
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   "librettist": "James T. Tanner",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1912-08-24",
     "time": null,
     "place": "",
     "venue": null
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     "url": "https://theaterencyclopedie.nl/wiki/Venus_-_N.V._Nederlandsche_Opera_en_Operette_-_1912-08-24",
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   "id": "verborgen-liefde-1912-nv-nederlandsche-opera-en-operette",
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   "composer": "Paul Ottenheimer",
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   "translation": null,
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   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1912-09-28",
     "time": null,
     "place": "",
     "venue": null
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   ],
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   "id": "de-lieve-augustijn-1912-nv-nederlandsche-opera-en-operette",
   "title": "De lieve Augustijn",
   "composer": "Leo Fall",
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   "translation": null,
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   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1912-10-19",
     "time": null,
     "place": "",
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   "id": "luxe-vrouwtjes-1912-nv-nederlandsche-opera-en-operette",
   "title": "Luxe vrouwtjes",
   "composer": "Max Gabriel",
   "librettist": "Georg Okonkowski",
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   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1912-11-02",
     "time": null,
     "place": "",
     "venue": null
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   ],
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  },
  {
   "id": "de-presidentsdochter-1912-nv-nederlandsche-opera-en-operette",
   "title": "De Presidentsdochter",
   "composer": "Pieter Verschoot",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1912-11-30",
     "time": null,
     "place": "",
     "venue": null
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   ],
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    {
     "date": "1914-09-09",
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     "date": "1919-03-23",
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    {
     "date": "1914-01-01",
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     "date": "1914-12-12",
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    {
     "date": "1914-12-13",
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     "date": "1914-12-15",
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     "date": "1914-12-16",
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     "date": "1914-12-18",
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     "date": "1918-01-16",
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     "date": "1918-02-01",
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     "date": "1918-02-09",
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     "date": "1918-03-01",
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     "date": "1918-04-01",
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     "place": "",
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     "date": "1918-06-29",
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   "composer": "Vada Ennem",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1918-09-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
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     "date": "2026-08-07"
    },
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     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/vendetta-1918-de-haghezangers/"
  },
  {
   "id": "het-model-1918-de-haghezangers",
   "title": "Het Model",
   "composer": "Franz von Suppé",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1918-10-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
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     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/het-model-1918-de-haghezangers/"
  },
  {
   "id": "kermisklanten-1918-de-haghezangers",
   "title": "Kermisklanten",
   "composer": "Louis Ganne",
   "librettist": "Maurice Ordonneau",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1918-12-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/kermisklanten-1918-de-haghezangers/"
  },
  {
   "id": "het-meisje-uit-de-bergen-1918-nv-nederlandsche-opera-en-operette",
   "title": "Het meisje uit de bergen",
   "composer": "Harold Fraser-Simson",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nv-nederlandsche-opera-en-operette"
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    {
     "date": "1918-12-06",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://theaterencyclopedie.nl/wiki/Het_meisje_uit_de_bergen_(The_maid_of_the_mountains)_-_N.V._Nederlandsche_Opera_en_Operette_-_1918-12-06",
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   ],
   "url": "https://operetteinnederland.nl/productie/het-meisje-uit-de-bergen-1918-nv-nederlandsche-opera-en-operette/"
  },
  {
   "id": "zigeunerliefde-1919-de-haghezangers",
   "title": "Zigeunerliefde",
   "composer": "Franz Lehár",
   "librettist": "Alfred Maria Willner en Robert Bodanzky",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1919-01-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
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     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/zigeunerliefde-1919-de-haghezangers/"
  },
  {
   "id": "de-graaf-van-luxemburg-1919-de-haghezangers",
   "title": "De Graaf van Luxemburg",
   "composer": "Franz Lehár",
   "librettist": "Alfred Maria Willner en Robert Bodanzky",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1919-02-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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    }
   ],
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  {
   "id": "een-walsdroom-1919-de-haghezangers",
   "title": "Een Walsdroom",
   "composer": "Oscar Straus",
   "librettist": "Felix Dörmann en Leopold Jacobson",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1919-02-19",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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  },
  {
   "id": "rip-rip-1919-de-haghezangers",
   "title": "Rip-Rip",
   "composer": "Robert Planquette",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1919-11-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
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     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/rip-rip-1919-de-haghezangers/"
  },
  {
   "id": "de-roos-van-stamboul-1920-de-haghezangers",
   "title": "De Roos van Stamboul",
   "composer": "Leo Fall",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1920-01-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-roos-van-stamboul-1920-de-haghezangers/"
  },
  {
   "id": "la-rosaline-1920-de-haghezangers",
   "title": "La Rosaline",
   "composer": "Edmond Audran",
   "librettist": "Henri Chivot en Alfred Duru",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1920-03-01",
     "time": null,
     "place": "Paleis voor Volksvlijt, Amsterdam; 'en volgende avonden', geadverteerd tot en met 27 maart 1920",
     "venue": null
    }
   ],
   "sources": [
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    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/La_Rosaline_-_De_Haghezangers_-_1920-03-01",
     "date": "2026-08-09"
    },
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     "date": "2026-08-09"
    },
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     "url": "http://resolver.kb.nl/resolve?urn=ddd:110552657:mpeg21:a0160:ocr",
     "date": "2026-08-09"
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   ],
   "url": "https://operetteinnederland.nl/productie/la-rosaline-1920-de-haghezangers/"
  },
  {
   "id": "de-huzaren-van-villars-1920-de-haghezangers",
   "title": "De huzaren van Villars",
   "composer": "Aimé Maillart",
   "librettist": "Cormon en Lockroy",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1920-09-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-huzaren-van-villars-1920-de-haghezangers/"
  },
  {
   "id": "sataniella-1920-de-haghezangers",
   "title": "Sataniëlla",
   "composer": "Albert Grisar",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1920-12-11",
     "time": null,
     "place": "première, Paleis voor Volksvlijt, Amsterdam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
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    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/Satani%C3%ABlla_-_De_Haghezangers_-_1920-12-11",
     "date": "2026-08-10"
    },
    {
     "url": "http://resolver.kb.nl/resolve?urn=ddd:010655019:mpeg21:a0093:ocr",
     "date": "2026-08-14"
    },
    {
     "url": "http://resolver.kb.nl/resolve?urn=ddd:110551251:mpeg21:a0056:ocr",
     "date": "2026-08-14"
    },
    {
     "url": "http://resolver.kb.nl/resolve?urn=ddd:010025269:mpeg21:a0082:ocr",
     "date": "2026-08-14"
    },
    {
     "url": "https://gallica.bnf.fr/ark:/12148/bpt6k5626533z",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/sataniella-1920-de-haghezangers/"
  },
  {
   "id": "hart-en-hand-1921-de-haghezangers",
   "title": "Hart en hand",
   "composer": "Charles Lecocq",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1921-03-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/hart-en-hand-1921-de-haghezangers/"
  },
  {
   "id": "surcouf-1921-de-haghezangers",
   "title": "Surcouf (de kaper)",
   "composer": "Robert Planquette",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1921-09-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/surcouf-1921-de-haghezangers/"
  },
  {
   "id": "phi-phi-1921-frascati-operette-ensemble",
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   "composer": "Henri Christiné",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "frascati-operette-ensemble"
   ],
   "performances": [
    {
     "date": "1921-09-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Frascati_Operette_Ensemble",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/phi-phi-1921-frascati-operette-ensemble/"
  },
  {
   "id": "op-stap-1921-frascati-operette-ensemble",
   "title": "Op Stap",
   "composer": "Hugo Hirsch",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "frascati-operette-ensemble"
   ],
   "performances": [
    {
     "date": "1921-11-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Frascati_Operette_Ensemble",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/op-stap-1921-frascati-operette-ensemble/"
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   "id": "is-zij-t-1922-frascati-operette-ensemble",
   "title": "Is zij 't",
   "composer": "Toddy",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "frascati-operette-ensemble"
   ],
   "performances": [
    {
     "date": "1922-03-18",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Frascati_Operette_Ensemble",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/Is_zij_%27t_-_Frascati_Operette_Ensemble-_1922-03-18",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/is-zij-t-1922-frascati-operette-ensemble/"
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  {
   "id": "bobbertje-1922-frascati-operette-ensemble",
   "title": "Bobbertje",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "frascati-operette-ensemble"
   ],
   "performances": [
    {
     "date": "1922-04-08",
     "time": null,
     "place": "",
     "venue": null
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   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Frascati_Operette_Ensemble",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/Bobbertje_-_Frascati_Operette_Ensemble_-_1922-04-08",
     "date": "2026-08-10"
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   "url": "https://operetteinnederland.nl/productie/bobbertje-1922-frascati-operette-ensemble/"
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   "id": "de-kuische-suzanna-1922-frascati-operette-ensemble",
   "title": "De kuische Suzanna",
   "composer": "Jean Gilbert",
   "librettist": "Georg Okonkowski",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "frascati-operette-ensemble"
   ],
   "performances": [
    {
     "date": "1922-04-22",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Frascati_Operette_Ensemble",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/de-kuische-suzanna-1922-frascati-operette-ensemble/"
  },
  {
   "id": "de-vice-admiraal-1922-de-haghezangers",
   "title": "De vice-admiraal",
   "composer": "Carl Millöcker",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1922-09-02",
     "time": null,
     "place": "",
     "venue": null
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   ],
   "sources": [
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     "date": "2026-08-07"
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   "url": "https://operetteinnederland.nl/productie/de-vice-admiraal-1922-de-haghezangers/"
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  {
   "id": "de-zilverwolf-1922-de-haghezangers",
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   "composer": "Tony Thomas",
   "librettist": "Rudolf Frank",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1922-11-04",
     "time": null,
     "place": "",
     "venue": null
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   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
     "date": "2026-08-07"
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    {
     "url": "https://theaterencyclopedie.nl/wiki/De_zilverwolf_-_De_Haghezangers_-_1922-11-04",
     "date": "2026-08-07"
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   "url": "https://operetteinnederland.nl/productie/de-zilverwolf-1922-de-haghezangers/"
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   "id": "erminie-1923-de-haghezangers",
   "title": "Erminie",
   "composer": "Edward Jakobowski",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1923-01-18",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
     "date": "2026-08-07"
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   "url": "https://operetteinnederland.nl/productie/erminie-1923-de-haghezangers/"
  },
  {
   "id": "de-laatste-wals-1923-de-haghezangers",
   "title": "De laatste Wals",
   "composer": "Oscar Straus",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1923-03-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-laatste-wals-1923-de-haghezangers/"
  },
  {
   "id": "vendetta-1923-de-haghezangers",
   "title": "Vendetta",
   "composer": "Vada Ennem",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1923-05-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
     "date": "2026-08-07"
    },
    {
     "url": "http://resolver.kb.nl/resolve?urn=ddd:010656604:mpeg21:a0231:ocr",
     "date": "2026-08-07"
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     "url": "http://resolver.kb.nl/resolve?urn=ddd:010530413:mpeg21:a0119:ocr",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/vendetta-1923-de-haghezangers/"
  },
  {
   "id": "de-mascotta-1923-de-haghezangers",
   "title": "De Mascotta",
   "composer": "Edmond Audran",
   "librettist": "Henri Chivot en Alfred Duru",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1923-06-02",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/de-mascotta-1923-de-haghezangers/"
  },
  {
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     "date": "1924-10-29",
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     "date": "1924-11-01",
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     "date": "1924-11-11",
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     "date": "1924-12-18",
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     "time": null,
     "place": "",
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     "time": null,
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     "date": "1925-04-16",
     "time": null,
     "place": "",
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   "music_credit": null,
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     "date": "1925-05-02",
     "time": null,
     "place": "",
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    {
     "date": "1925-05-30",
     "time": null,
     "place": "",
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    {
     "date": "1925-08-08",
     "time": null,
     "place": "",
     "venue": null
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     "date": "1925-11-19",
     "time": null,
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     "venue": null
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   ],
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     "date": "1926-01-10",
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    {
     "date": "1926-03-18",
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   "id": "polenbloed-1926-beppie-de-vries",
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    {
     "date": "1926-04-17",
     "time": null,
     "place": "Scala Theater, Den Haag",
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   ],
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     "url": "https://theaterencyclopedie.nl/wiki/Polenbloed_-_Operettegezelschap_Beppie_de_Vries_-_1926-04-17",
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   "id": "polenbloed-1926-nederlandsch-operette-gezelschap-1925",
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    {
     "date": "1926-05-13",
     "time": null,
     "place": "",
     "venue": null
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   ],
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     "url": "https://theaterencyclopedie.nl/wiki/Nederlandsch_Operette_Gezelschap_1925-1929",
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   "id": "das-blonde-wunder-1926-fritz-hirsch",
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   "music_credit": null,
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     "date": "1926-05-19",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
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   ],
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   "id": "charleys-tante-1926-fritz-hirsch",
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   "librettist": null,
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    {
     "date": "1926-06-03",
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   "id": "de-koningin-van-de-nacht-1926-operettegezelschap-flora",
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     "date": "1926-06-05",
     "time": null,
     "place": "Flora Theater, Amsterdam",
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     "url": "https://operone.de/komponist/kollowa.html",
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     "date": "1926-06-05",
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     "date": "1926-06-12",
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     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
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     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
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   "id": "das-dreimaderlhaus-1926-fritz-hirsch",
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   "performances": [
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     "date": "1926-07-03",
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     "date": "1926-07-03",
     "time": null,
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   "id": "de-fideele-boer-1926-de-haghezangers",
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     "date": "1926-07-04",
     "time": null,
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   "id": "de-zwerver-1926-gezelschap-flora-difraen",
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   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "gezelschap-flora-difraen"
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   "performances": [
    {
     "date": "1926-08-14",
     "time": null,
     "place": "premiere, Flora, Amsterdam",
     "venue": null
    },
    {
     "date": "1927-01-15",
     "time": null,
     "place": "reprise vanaf 15 januari 1927, Flora, Amsterdam (TE reprise section)",
     "venue": null
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   ],
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    {
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     "time": null,
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     "date": "2026-08-10"
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   "id": "miss-mabel-morrell-1927-nederlandsch-operette-gezelschap-1925",
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    {
     "date": "1927-04-17",
     "time": null,
     "place": "",
     "venue": null
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   "id": "de-mascotta-1927-rotterdamsch-operette-gezelschap",
   "title": "De Mascotta",
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    {
     "date": "1927-04-21",
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  },
  {
   "id": "de-kaptein-vaan-kopenick-1927-maastricht",
   "title": "De Kaptein vaan Köpenick",
   "composer": "Guus Olterdissen",
   "librettist": null,
   "music_credit": null,
   "translation": null,
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   "status": "past",
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    {
     "date": "1927-04-25",
     "time": "20:00",
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     "venue": null
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    {
     "date": "1927-05-04",
     "time": null,
     "place": "Schouwburg, Maastricht",
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  {
   "id": "de-kino-koningin-1927-rotterdamsch-operette-gezelschap",
   "title": "De Kino-Koningin",
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   "librettist": null,
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    {
     "date": "1927-06-05",
     "time": null,
     "place": "",
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  {
   "id": "odette-de-koningin-van-montmartre-1927-rotterdamsch-operette-gezelschap",
   "title": "Odette, de Koningin van Montmartre",
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   "music_credit": null,
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   "status": "past",
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    {
     "date": "1927-06-16",
     "time": null,
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    {
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   "id": "dolly-vergist-zich-1927-rotterdamsch-operette-gezelschap",
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    {
     "date": "1927-06-29",
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   "id": "die-dollarprinzessin-1927-fritz-hirsch",
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   "title": "De Vogelkoopman",
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   "music_credit": null,
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   "status": "past",
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    {
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     "date": "2026-08-09"
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    {
     "date": "1927-08-09",
     "time": null,
     "place": "",
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   "title": "De circusprinses",
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   "music_credit": null,
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    {
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   "id": "die-lustige-witwe-1927-fritz-hirsch",
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   "music_credit": null,
   "translation": null,
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    {
     "date": "1927-09-20",
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   "category": "core",
   "status": "past",
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    {
     "date": "1927-10-01",
     "time": null,
     "place": "",
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   "id": "als-ik-koning-was-1927-gezelschap-flora-difraen",
   "title": "Als ik koning was",
   "composer": "Adolphe Adam",
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   "music_credit": null,
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   "status": "past",
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     "date": "1927-10-05",
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   "title": "Jij alleen (Nur du)",
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   "translation": null,
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   "status": "past",
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    {
     "date": "1927-10-27",
     "time": null,
     "place": "",
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     "date": "1927-10-28",
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     "place": "Princesse Schouwburg, Den Haag",
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   "status": "past",
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    {
     "date": "1927-11-01",
     "time": null,
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   "translation": null,
   "category": "core",
   "status": "past",
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    {
     "date": "1927-11-09",
     "time": null,
     "place": "",
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   "id": "seppl-1927-nederlandsch-rotterdamsch-operette",
   "title": "Sepp'l",
   "composer": "Emiel Hullebroeck",
   "librettist": "Louis de Vriendt en Lambrecht Lambrechts",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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    "rotterdamsch-operette-gezelschap-1927"
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   "performances": [
    {
     "date": "1927-11-17",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "1928-11-01",
     "time": null,
     "place": "",
     "venue": null
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   "id": "die-keusche-susanne-1927-fritz-hirsch",
   "title": "Die keusche Susanne",
   "composer": "Jean Gilbert",
   "librettist": "Georg Okonkowski",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1927-12-02",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
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   "id": "ich-hab-mein-herz-in-heidelberg-verloren-1927-fritz-hirsch",
   "title": "Ich hab' mein Herz in Heidelberg verloren",
   "composer": "Fred Raymond",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1927-12-30",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
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   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/ich-hab-mein-herz-in-heidelberg-verloren-1927-fritz-hirsch/"
  },
  {
   "id": "nelly-1928-kampen",
   "title": "Nelly",
   "composer": "Carel L. Bouman",
   "librettist": "M. van Zanten",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "theaterkoor-caecilia-kampen"
   ],
   "performances": [
    {
     "date": "1928",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterkoorcaecilia.nl/producties/",
     "date": "2026-08-07"
    },
    {
     "url": "http://resolver.kb.nl/resolve?urn=MMRHCG04:235104076:mpeg21:a00008:ocr",
     "date": "2026-08-18"
    },
    {
     "url": "http://resolver.kb.nl/resolve?urn=MMKB19:003584096:mpeg21:a00015:ocr",
     "date": "2026-08-18"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/nelly-1928-kampen/"
  },
  {
   "id": "de-blauwe-mazur-1928-nederlandsch-operette-gezelschap-1925",
   "title": "De blauwe mazur",
   "composer": "Franz Lehár",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nederlandsch-operette-gezelschap-1925"
   ],
   "performances": [
    {
     "date": "1928-01-01",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "1929-01-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Nederlandsch_Operette_Gezelschap_1925-1929",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-blauwe-mazur-1928-nederlandsch-operette-gezelschap-1925/"
  },
  {
   "id": "op-het-hoekje-van-de-kaiserallee-1928-rotterdamsch-operette-gezelschap",
   "title": "Op het hoekje van de Kaiserallee",
   "composer": "Jean Gilbert",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rotterdamsch-operette-gezelschap-1927"
   ],
   "performances": [
    {
     "date": "1928-01-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Rotterdamsch_Operette_Gezelschap",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_kleine_zondares_-_Nederlandsch_Operette_Gezelschap_1925-1929_-_1924-11-01",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/op-het-hoekje-van-de-kaiserallee-1928-rotterdamsch-operette-gezelschap/"
  },
  {
   "id": "drie-arme-kleine-meisjes-1928-nederlandsch-operette-gezelschap-1925",
   "title": "Drie arme kleine meisjes",
   "composer": "Walter Kollo",
   "librettist": "Hermann Feiner, Bruno Hardt-Warden en Willi Kollo",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nederlandsch-operette-gezelschap-1925"
   ],
   "performances": [
    {
     "date": "1928-01-07",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Nederlandsch_Operette_Gezelschap_1925-1929",
     "date": "2026-08-07"
    },
    {
     "url": "https://de.wikipedia.org/wiki/Walter_Kollo",
     "date": "2026-08-07"
    },
    {
     "url": "https://operone.de/komponist/kollowa.html",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/drie-arme-kleine-meisjes-1928-nederlandsch-operette-gezelschap-1925/"
  },
  {
   "id": "prins-van-pappenheim-1928-rotterdamsch-operette-gezelschap",
   "title": "Prins van Pappenheim",
   "composer": "Hugo Hirsch",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rotterdamsch-operette-gezelschap-1927"
   ],
   "performances": [
    {
     "date": "1928-01-13",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Rotterdamsch_Operette_Gezelschap",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/prins-van-pappenheim-1928-rotterdamsch-operette-gezelschap/"
  },
  {
   "id": "cupido-dictator-1928-nederlandsch-operette-gezelschap-1925",
   "title": "Cupido Dictator",
   "composer": "Emiel Hullebroeck",
   "librettist": "Gaston Martens",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nederlandsch-operette-gezelschap-1925"
   ],
   "performances": [
    {
     "date": "1928-03-08",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Nederlandsch_Operette_Gezelschap_1925-1929",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/Cupido_Dictator_-_Nederlandsch_Operette_Gezelschap_1925-1929_-_1928-03-08",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/cupido-dictator-1928-nederlandsch-operette-gezelschap-1925/"
  },
  {
   "id": "grafin-mariza-1928-fritz-hirsch",
   "title": "Gräfin Mariza",
   "composer": "Emmerich Kálmán",
   "librettist": "Julius Brammer en Alfred Grünwald",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
   ],
   "performances": [
    {
     "date": "1928-03-16",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/grafin-mariza-1928-fritz-hirsch/"
  },
  {
   "id": "de-fideele-boer-1928-rotterdamsch-operette-gezelschap",
   "title": "De fideele boer",
   "composer": "Leo Fall",
   "librettist": "Victor Léon",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rotterdamsch-operette-gezelschap-1927"
   ],
   "performances": [
    {
     "date": "1928-03-18",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Rotterdamsch_Operette_Gezelschap",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-fideele-boer-1928-rotterdamsch-operette-gezelschap/"
  },
  {
   "id": "graaf-blijft-graaf-1928-nederlandsch-operette-gezelschap-1925",
   "title": "Graaf blijft Graaf",
   "composer": "Robert Stolz",
   "librettist": "Robert Bodanzky en Bruno Hardt-Warden",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nederlandsch-operette-gezelschap-1925"
   ],
   "performances": [
    {
     "date": "1928-03-28",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Nederlandsch_Operette_Gezelschap_1925-1929",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/Graaf_blijft_Graaf_-_Nederlandsch_Operette_Gezelschap_1925-1929_-_1928-03-28",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/graaf-blijft-graaf-1928-nederlandsch-operette-gezelschap-1925/"
  },
  {
   "id": "des-dichters-heine-erste-liebe-1928-fritz-hirsch",
   "title": "Des Dichters Heine erste Liebe",
   "composer": "Franz Schubert & Felix Mendelssohn",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
   ],
   "performances": [
    {
     "date": "1928-06-15",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/des-dichters-heine-erste-liebe-1928-fritz-hirsch/"
  },
  {
   "id": "eva-het-fabrieksmeisje-1928-rotterdamsch-operette-gezelschap",
   "title": "Eva (Het fabrieksmeisje)",
   "composer": "Franz Lehár",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rotterdamsch-operette-gezelschap-1927"
   ],
   "performances": [
    {
     "date": "1928-07-02",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Rotterdamsch_Operette_Gezelschap",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/eva-het-fabrieksmeisje-1928-rotterdamsch-operette-gezelschap/"
  },
  {
   "id": "die-fledermaus-1928-fritz-hirsch",
   "title": "Die Fledermaus",
   "composer": "Johann Strauss jr.",
   "librettist": "Carl Haffner en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
   ],
   "performances": [
    {
     "date": "1928-07-07",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/die-fledermaus-1928-fritz-hirsch/"
  },
  {
   "id": "walsdroom-1928-rotterdamsch-operette-gezelschap",
   "title": "Walsdroom",
   "composer": "Oscar Straus",
   "librettist": "Felix Dörmann en Leopold Jacobson",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rotterdamsch-operette-gezelschap-1927"
   ],
   "performances": [
    {
     "date": "1928-07-18",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Rotterdamsch_Operette_Gezelschap",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/walsdroom-1928-rotterdamsch-operette-gezelschap/"
  },
  {
   "id": "vendetta-1928-rotterdamsch-operette-gezelschap",
   "title": "Vendetta",
   "composer": "Vada Ennem",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rotterdamsch-operette-gezelschap-1927"
   ],
   "performances": [
    {
     "date": "1928-07-28",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Rotterdamsch_Operette_Gezelschap",
     "date": "2026-08-07"
    },
    {
     "url": "http://resolver.kb.nl/resolve?urn=ddd:010029814:mpeg21:a0074:ocr",
     "date": "2026-08-07"
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    {
     "url": "http://resolver.kb.nl/resolve?urn=ddd:010212016:mpeg21:a0250:ocr",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/vendetta-1928-rotterdamsch-operette-gezelschap/"
  },
  {
   "id": "ein-rheinisches-madel-1928-fritz-hirsch",
   "title": "Ein rheinisches Mädel",
   "composer": "Leon Jessel",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
   ],
   "performances": [
    {
     "date": "1928-08-21",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/ein-rheinisches-madel-1928-fritz-hirsch/"
  },
  {
   "id": "susi-1928-nederlandsch-operette-gezelschap-1925",
   "title": "Susi",
   "composer": "Walter Kollo",
   "librettist": "Franz Arnold en Ernst Bach",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nederlandsch-operette-gezelschap-1925"
   ],
   "performances": [
    {
     "date": "1928-09-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://theaterencyclopedie.nl/wiki/Nederlandsch_Operette_Gezelschap_1925-1929",
     "date": "2026-08-07"
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    {
     "url": "https://theaterencyclopedie.nl/wiki/Susi_-_Nederlandsch_Operette_Gezelschap_1925-1929_-_1928-09-01",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/susi-1928-nederlandsch-operette-gezelschap-1925/"
  },
  {
   "id": "het-milliarden-souper-1928-nederlandsch-operette-gezelschap-1925",
   "title": "Het Milliarden Souper",
   "composer": "Ernst Steffan",
   "librettist": "Hans Kottow en Alfred Maria Willner",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nederlandsch-operette-gezelschap-1925"
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   "performances": [
    {
     "date": "1928-09-26",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://theaterencyclopedie.nl/wiki/Nederlandsch_Operette_Gezelschap_1925-1929",
     "date": "2026-08-07"
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  },
  {
   "id": "no-no-nanette-1928-gezelschap-flora-difraen",
   "title": "No, no Nanette",
   "composer": "Vincent Youmans",
   "librettist": "boek Otto Harbach en Frank Mandel, liedteksten Irving Caesar en Otto Harbach",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "gezelschap-flora-difraen"
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   "performances": [
    {
     "date": "1928-10-01",
     "time": null,
     "place": "Grand Théâtre, Amsterdam",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/No,_no_Nanette_-_Gezelschap_Flora/Difraen_-_1928-10-01",
     "date": "2026-08-09"
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   "url": "https://operetteinnederland.nl/productie/no-no-nanette-1928-gezelschap-flora-difraen/"
  },
  {
   "id": "de-eerste-nacht-1928-nederlandsch-operette-gezelschap-1925",
   "title": "De eerste nacht",
   "composer": "Hugo Hirsch",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nederlandsch-operette-gezelschap-1925"
   ],
   "performances": [
    {
     "date": "1928-10-13",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Nederlandsch_Operette_Gezelschap_1925-1929",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_eerste_nacht_-_Nederlandsch_Operette_Gezelschap_1925-1929_-_1928-10-13",
     "date": "2026-08-08"
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  },
  {
   "id": "die-csardasfurstin-1928-fritz-hirsch",
   "title": "Die Csárdásfürstin",
   "composer": "Emmerich Kálmán",
   "librettist": "Leo Stein en Béla Jenbach",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
   ],
   "performances": [
    {
     "date": "1928-11-03",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/die-csardasfurstin-1928-fritz-hirsch/"
  },
  {
   "id": "de-geisha-1928-goov",
   "title": "De Geisha",
   "composer": "Sidney Jones",
   "librettist": "boek Owen Hall, liedteksten Harry Greenbank",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "goov-groningen"
   ],
   "performances": [
    {
     "date": "1928-12-10",
     "time": null,
     "place": "Groningen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://goov.nl/producties/2028-heden.html",
     "date": "2026-08-05"
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   ],
   "url": "https://operetteinnederland.nl/productie/de-geisha-1928-goov/"
  },
  {
   "id": "dolly-1928-nederlandsch-operette-gezelschap-1925",
   "title": "Dolly",
   "composer": "Hugo Hirsch",
   "librettist": "Franz Arnold en Ernst Bach",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1928-12-14",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Nederlandsch_Operette_Gezelschap_1925-1929",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/Dolly_-_Nederlandsch_Operette_Gezelschap_1925-1929_-_1928-12-14",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/dolly-1928-nederlandsch-operette-gezelschap-1925/"
  },
  {
   "id": "an-der-schonen-blauen-donau-1928-fritz-hirsch",
   "title": "An der schönen blauen Donau",
   "composer": "Edmund Eysler",
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     "date": "1929-08-15",
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    {
     "date": "1929-08-31",
     "time": null,
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    {
     "date": "1929-09-01",
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     "date": "1929-12-04",
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     "date": "1929-12-29",
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     "date": "1930",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
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     "date": "2026-08-05"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-kermisklanten-1930-goov/"
  },
  {
   "id": "marion-de-marketenster-1930-kampen",
   "title": "Marion de Marketenster",
   "composer": "Sam Vlessing",
   "librettist": null,
   "music_credit": null,
   "translation": null,
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   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1930",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    },
    {
     "url": "http://resolver.kb.nl/resolve?urn=MMKB27:017905077:mpeg21:a00046:ocr",
     "date": "2026-08-18"
    },
    {
     "url": "http://resolver.kb.nl/resolve?urn=MMKB23:001978088:mpeg21:a00088:ocr",
     "date": "2026-08-18"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/marion-de-marketenster-1930-kampen/"
  },
  {
   "id": "das-marchen-vom-gluck-1930-fritz-hirsch",
   "title": "Das Märchen vom Glück",
   "composer": "Oskar Nedbal",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "1930-04-17",
     "time": null,
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     "venue": null
    }
   ],
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/das-marchen-vom-gluck-1930-fritz-hirsch/"
  },
  {
   "id": "t-lied-der-woestijn-1930-grand-theatre",
   "title": "'t Lied der woestijn",
   "composer": "Sigmund Romberg",
   "librettist": "boek Otto Harbach, Oscar Hammerstein II en Frank Mandel, liedteksten Otto Harbach en Oscar Hammerstein II",
   "music_credit": null,
   "translation": "Miek Mullens",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "1930-08-01",
     "time": null,
     "place": "Grand Théâtre, Amsterdam (première)",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/%27t_Lied_der_woestijn_(The_desert_song)_-_Gezelschap_Grand_Th%C3%A9%C3%A2tre_-_1930-08-01",
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   ],
   "url": "https://operetteinnederland.nl/productie/t-lied-der-woestijn-1930-grand-theatre/"
  },
  {
   "id": "de-bruiloft-van-olivette-1930-de-haghezangers",
   "title": "De bruiloft van Olivette",
   "composer": "Edmond Audran",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1930-08-02",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
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    }
   ],
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  },
  {
   "id": "de-koning-beveelt-1930-de-haghezangers",
   "title": "De Koning beveelt",
   "composer": "Edmond Audran",
   "librettist": "Alfred Duru en Henri Chivot",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1930-08-27",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Koning_beveelt_-_De_Haghezangers_-_1930-08-27",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-koning-beveelt-1930-de-haghezangers/"
  },
  {
   "id": "wenn-du-einmal-dein-herz-verschenkst-1930-fritz-hirsch",
   "title": "Wenn du einmal dein Herz verschenkst",
   "composer": "Oscar Straus",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
   ],
   "performances": [
    {
     "date": "1930-09-10",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/wenn-du-einmal-dein-herz-verschenkst-1930-fritz-hirsch/"
  },
  {
   "id": "de-koningin-van-montmartre-1930-de-haghezangers",
   "title": "De Koningin van Montmartre",
   "composer": "Vada Ennem",
   "librettist": "Denn Spranklin",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1930-09-13",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
     "date": "2026-08-07"
    },
    {
     "url": "https://nl.wikipedia.org/wiki/De_Koningin_van_Montmartre",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/Vada_Ennem",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-koningin-van-montmartre-1930-de-haghezangers/"
  },
  {
   "id": "loveboat-1930-de-haghezangers",
   "title": "Loveboat (Liefdesboot)",
   "composer": "Vada Ennem",
   "librettist": "Denn Spranklin",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1930-11-08",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "1930-12-20",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
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    },
    {
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    },
    {
     "url": "http://resolver.kb.nl/resolve?urn=MMKB04:000146681:mpeg21:a0262:ocr",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/loveboat-1930-de-haghezangers/"
  },
  {
   "id": "de-graaf-van-luxemburg-1930-amsterdam",
   "title": "De Graaf van Luxemburg",
   "composer": "Franz Lehár",
   "librettist": "Alfred Maria Willner en Robert Bodanzky",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1930-12",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-graaf-van-luxemburg-1930-amsterdam/"
  },
  {
   "id": "viktoria-und-ihr-husar-1930-fritz-hirsch",
   "title": "Viktoria und ihr Husar",
   "composer": "Paul Ábrahám",
   "librettist": "Alfred Grünwald en Fritz Löhner-Beda",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
   ],
   "performances": [
    {
     "date": "1930-12-04",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
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    {
     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/viktoria-und-ihr-husar-1930-fritz-hirsch/"
  },
  {
   "id": "franchamont-de-marskramer-1930-winkel",
   "title": "Franchamont de Marskramer",
   "composer": "Martinus Schuil",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "west-frisia-winkel"
   ],
   "performances": [
    {
     "date": "1930-12-25",
     "time": null,
     "place": "1e Kerstdag",
     "venue": null
    },
    {
     "date": "1930-12-28",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/SC/1930-12-09/edition/null/page/6",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/franchamont-de-marskramer-1930-winkel/"
  },
  {
   "id": "de-geisha-1931-goov",
   "title": "De Geisha",
   "composer": "Sidney Jones",
   "librettist": "boek Owen Hall, liedteksten Harry Greenbank",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "goov-groningen"
   ],
   "performances": [
    {
     "date": "1931",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://goov.nl/producties/2028-heden.html",
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   ],
   "url": "https://operetteinnederland.nl/productie/de-geisha-1931-goov/"
  },
  {
   "id": "la-mascotte-1931-kampen",
   "title": "La Mascotte",
   "composer": "Edmond Audran",
   "librettist": "Henri Chivot en Alfred Duru",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "1931",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   ],
   "url": "https://operetteinnederland.nl/productie/la-mascotte-1931-kampen/"
  },
  {
   "id": "de-dochter-van-den-tamboer-majoor-1931-de-haghezangers",
   "title": "De dochter van den tamboer-majoor",
   "composer": "Jacques Offenbach",
   "librettist": "Alfred Duru en Henri Chivot",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haghezangers"
   ],
   "performances": [
    {
     "date": "1931-01-14",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haghezangers",
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-dochter-van-den-tamboer-majoor-1931-de-haghezangers/"
  },
  {
   "id": "die-fledermaus-1931-fritz-hirsch",
   "title": "Die Fledermaus",
   "composer": "Johann Strauss jr.",
   "librettist": "Carl Haffner en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
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   "performances": [
    {
     "date": "1931-01-28",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-fledermaus-1931-fritz-hirsch/"
  },
  {
   "id": "het-verliefde-escadron-1931-jacques-van-bijlevelt",
   "title": "Het verliefde escadron",
   "composer": "Carl Michael Ziehrer",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operettegezelschap-jacques-van-bijlevelt"
   ],
   "performances": [
    {
     "date": "1931-02-01",
     "time": null,
     "place": "Scala Theater, Den Haag",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Het_verliefde_escadron_-_Operettegezelschap_Jacques_van_Bijlevelt_-_1931-02-01",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/het-verliefde-escadron-1931-jacques-van-bijlevelt/"
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  {
   "id": "augustyn-1931-jacques-van-bijlevelt",
   "title": "Augustyn",
   "composer": "Leo Fall",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operettegezelschap-jacques-van-bijlevelt"
   ],
   "performances": [
    {
     "date": "1931-02-17",
     "time": null,
     "place": "Scala Theater, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Augustyn_%28Der_Liebe_Augustin%29_-_Operettegezelschap_Jacques_van_Bijlevelt_-_1931-02-17",
     "date": "2026-08-07"
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   "url": "https://operetteinnederland.nl/productie/augustyn-1931-jacques-van-bijlevelt/"
  },
  {
   "id": "zigeunerweisen-1931-fritz-hirsch",
   "title": "Zigeunerweisen",
   "composer": "Robert Stolz",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
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   "performances": [
    {
     "date": "1931-03-13",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/zigeunerweisen-1931-fritz-hirsch/"
  },
  {
   "id": "zes-huwbare-meisjes-1931-grand-theatre",
   "title": "Zes huwbare meisjes",
   "composer": "Raoul Moretti",
   "librettist": "Jean Guitton en René Pujol",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "gezelschap-grand-theatre"
   ],
   "performances": [
    {
     "date": "1931-04-04",
     "time": null,
     "place": "Grand Théâtre, Amsterdam (première)",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Zes_huwbare_meisjes_-_Gezelschap_Grand_Th%C3%A9%C3%A2tre_-_1931-04-04",
     "date": "2026-08-10"
    },
    {
     "url": "https://fr.wikipedia.org/wiki/Simone_Rouvi%C3%A8re",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/zes-huwbare-meisjes-1931-grand-theatre/"
  },
  {
   "id": "de-vice-admiraal-1931-amsterdam",
   "title": "De Vice-admiraal",
   "composer": "Carl Millöcker",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "1931-04-12",
     "time": null,
     "place": "Feestgebouw Bellevue, Leidschekade, Amsterdam",
     "venue": null
    }
   ],
   "sources": [
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     "url": "http://resolver.kb.nl/resolve?urn=ddd:011116283:mpeg21:a0124:ocr",
     "date": "2026-08-04"
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     "url": "http://resolver.kb.nl/resolve?urn=ddd:011116288:mpeg21:a0064:ocr",
     "date": "2026-08-04"
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   "url": "https://operetteinnederland.nl/productie/de-vice-admiraal-1931-amsterdam/"
  },
  {
   "id": "wenn-zwei-sich-lieben-1931-fritz-hirsch",
   "title": "Wenn zwei sich lieben",
   "composer": "Ralph Benatzky",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
   ],
   "performances": [
    {
     "date": "1931-04-14",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/wenn-zwei-sich-lieben-1931-fritz-hirsch/"
  },
  {
   "id": "ik-heb-van-jou-gedroomd-vannacht-1931-rotterdamsch-operette-gezelschap",
   "title": "Ik heb van jou gedroomd vannacht",
   "composer": "Oscar Straus",
   "librettist": "Rudolph Schanzer en Ernst Welisch",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rotterdamsch-operette-gezelschap-1927"
   ],
   "performances": [
    {
     "date": "1931-05-09",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Rotterdamsch_Operette_Gezelschap",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/ik-heb-van-jou-gedroomd-vannacht-1931-rotterdamsch-operette-gezelschap/"
  },
  {
   "id": "de-fee-van-de-bron-1931-winkel",
   "title": "De Fee van de Bron",
   "composer": "Evert Koning",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "west-frisia-winkel"
   ],
   "performances": [
    {
     "date": "1931-05-14",
     "time": null,
     "place": "Hemelvaartsdag; tooneelzaal R. Laan, Winkel",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/SC/1931-05-09/edition/null/page/10",
     "date": "2026-08-13"
    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/SC/1931-05-16/edition/null/page/10",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-fee-van-de-bron-1931-winkel/"
  },
  {
   "id": "prins-moritz-reiziger-in-gijn-1931-de-operettezangers-amsterdam",
   "title": "Prins Moritz, reiziger in Gijn",
   "composer": "Robert Stolz",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-operettezangers-amsterdam"
   ],
   "performances": [
    {
     "date": "1931-05-23",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
    }
   ],
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    {
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     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/Prins_Moritz,_reiziger_in_Gijn_-_De_Operettezangers_-_1931-05-23",
     "date": "2026-08-10"
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     "date": "2026-08-11"
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   ],
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  },
  {
   "id": "roszi-de-zigeuner-1931-rotterdamsch-operette-gezelschap",
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   "music_credit": null,
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   ],
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    {
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     "time": null,
     "place": "",
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    }
   ],
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    {
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    }
   ],
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  },
  {
   "id": "liefde-en-trompetgeschetter-1931-rotterdamsch-operette-gezelschap",
   "title": "Liefde en trompetgeschetter",
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    {
     "date": "1931-07-15",
     "time": null,
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     "venue": null
    }
   ],
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    {
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     "date": "2026-08-09"
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  },
  {
   "id": "kom-schaak-me-toch-1931-grand-theatre",
   "title": "Kom, schaak me toch",
   "composer": "Gaston Gabaroche",
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   "music_credit": null,
   "translation": null,
   "category": "core",
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   ],
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    {
     "date": "1931-08-01",
     "time": null,
     "place": "Grand Théâtre, Amsterdam (première)",
     "venue": null
    }
   ],
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   ],
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  },
  {
   "id": "walzer-aus-wien-1931-fritz-hirsch",
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   "librettist": null,
   "music_credit": null,
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   "category": "core",
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   ],
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    {
     "date": "1931-08-04",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
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   ],
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  {
   "id": "madame-de-pompadour-1931-jacques-van-bijlevelt",
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   "composer": "Leo Fall",
   "librettist": null,
   "music_credit": null,
   "translation": null,
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   "status": "past",
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    {
     "date": "1931-08-07",
     "time": null,
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     "venue": null
    }
   ],
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    }
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  },
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   "id": "het-jolige-weeuwtje-1931-jacques-van-bijlevelt",
   "title": "Het jolige weeuwtje",
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   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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    {
     "date": "1931-08-29",
     "time": null,
     "place": "Carré, Amsterdam",
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    }
   ],
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    }
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  },
  {
   "id": "brennende-herzen-1931-fritz-hirsch",
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   "composer": "Jean Gilbert",
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   "music_credit": null,
   "translation": null,
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   ],
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     "date": "1931-09-03",
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     "venue": null
    }
   ],
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   ],
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  },
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   "id": "de-koningin-van-montmartre-1931-de-operettezangers-amsterdam",
   "title": "De Koningin van Montmartre",
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   "translation": null,
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    {
     "date": "1931-09-11",
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    }
   ],
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    {
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    },
    {
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  },
  {
   "id": "in-t-witte-paard-1931-jacques-van-bijlevelt",
   "title": "In 't witte paard",
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   "music_credit": null,
   "translation": null,
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   "status": "past",
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   ],
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    {
     "date": "1931-09-26",
     "time": null,
     "place": "Carré, Amsterdam",
     "venue": null
    }
   ],
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    },
    {
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  {
   "id": "surcouf-de-kaper-1931-amsterdam",
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   "music_credit": null,
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   "category": "core",
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   ],
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    {
     "date": "1931-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/surcouf-de-kaper-1931-amsterdam/"
  },
  {
   "id": "an-der-donau-hab-ich-mein-madel-gekusst-1931-fritz-hirsch",
   "title": "An der Donau hab' ich mein Mädel geküsst",
   "composer": "Robert Stolz",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
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   ],
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    {
     "date": "1931-12-22",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
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     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
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   ],
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  },
  {
   "id": "het-klokje-van-de-heremiet-1932-kampen",
   "title": "Het Klokje van de Heremiet",
   "composer": "Aimé Maillart",
   "librettist": "Cormon en Lockroy",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "theaterkoor-caecilia-kampen"
   ],
   "performances": [
    {
     "date": "1932",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    }
   ],
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  {
   "id": "rund-um-die-liebe-1932-fritz-hirsch",
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   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "1932-01-22",
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     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
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  },
  {
   "id": "de-paarlen-van-montmartre-1932-goov",
   "title": "De Paarlen van Montmartre",
   "composer": "Hubert Cuypers",
   "librettist": "Otto Zeegers",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1932-02-04",
     "time": null,
     "place": "Groningen",
     "venue": null
    }
   ],
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     "url": "https://goov.nl/producties/2028-heden.html",
     "date": "2026-08-05"
    }
   ],
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  },
  {
   "id": "de-fideele-boer-1932-amsterdam",
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   "composer": "Leo Fall",
   "librettist": "Victor Léon",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "1932-04",
     "time": null,
     "place": "Feestgebouw Bellevue, Leidschekade, Amsterdam",
     "venue": null
    }
   ],
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     "date": "2026-08-04"
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  },
  {
   "id": "wenn-die-kleinen-veilchen-bluhen-1932-fritz-hirsch",
   "title": "Wenn die kleinen Veilchen blühen",
   "composer": "Robert Stolz",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "1932-04-01",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
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     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
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  },
  {
   "id": "een-dag-khalif-1932-winkel",
   "title": "Eén dag Khalif",
   "composer": "Otto Ludwig",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1932-05-01",
     "time": null,
     "place": "zondagavond; tooneelzaal R. Laan, Winkel",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/SC/1932-04-20/edition/null/page/3",
     "date": "2026-08-13"
    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/SC/1932-05-04/edition/null/page/2",
     "date": "2026-08-13"
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  },
  {
   "id": "de-vagebond-koning-1932-de-operettezangers-amsterdam",
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   "translation": null,
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "1932-07-30",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
    }
   ],
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   "id": "die-blume-von-hawaii-1932-de-operettezangers-amsterdam",
   "title": "Die Blume von Hawaii",
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   "librettist": "Alfred Grünwald, Fritz Löhner-Beda en Imre Földes",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1932-09-01",
     "time": null,
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     "venue": null
    }
   ],
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   "url": "https://operetteinnederland.nl/productie/die-blume-von-hawaii-1932-de-operettezangers-amsterdam/"
  },
  {
   "id": "geld-moet-rollen-1932-grand-theatre",
   "title": "Geld moet rollen",
   "composer": "Eugène Beeckman",
   "librettist": null,
   "music_credit": null,
   "translation": "B.A. Mullens",
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "1932-09-02",
     "time": null,
     "place": "Grand Théâtre, Amsterdam (première)",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Geld_moet_rollen_-_Gezelschap_van_Grand_Th%C3%A9%C3%A2tre_-_1932-09-02",
     "date": "2026-08-10"
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  },
  {
   "id": "de-prins-student-1932-de-operettezangers-amsterdam",
   "title": "De Prins Student",
   "composer": "Sigmund Romberg",
   "librettist": "Dorothy Donnelly",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1932-10-01",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
    }
   ],
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  },
  {
   "id": "het-milliarden-souper-1932-de-operettezangers-amsterdam",
   "title": "Het Milliarden Souper",
   "composer": "Ernst Steffan",
   "librettist": "Hans Kottow en Alfred Maria Willner",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1932-10-29",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
    }
   ],
   "sources": [
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     "date": "2026-08-07"
    },
    {
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     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/het-milliarden-souper-1932-de-operettezangers-amsterdam/"
  },
  {
   "id": "de-bayadere-1932-de-operettezangers-amsterdam",
   "title": "De Bayadere",
   "composer": "Emmerich Kálmán",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1932-11-12",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/De_Operettezangers",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-bayadere-1932-de-operettezangers-amsterdam/"
  },
  {
   "id": "die-blume-von-hawaii-1932-fritz-hirsch",
   "title": "Die Blume von Hawaii",
   "composer": "Paul Ábrahám",
   "librettist": "Alfred Grünwald, Fritz Löhner-Beda en Imre Földes",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "1932-11-25",
     "time": null,
     "place": "Concordia, Breda",
     "venue": null
    }
   ],
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   ],
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  },
  {
   "id": "het-gouden-kruis-1933-kampen",
   "title": "Het Gouden Kruis",
   "composer": "Ignaz Brüll",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "1933",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   ],
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  },
  {
   "id": "rolanda-1933-winkel",
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   "librettist": null,
   "music_credit": null,
   "translation": null,
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   "status": "past",
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   ],
   "performances": [
    {
     "date": "1933",
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     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/SC/1933-03-22/edition/null/page/6",
     "date": "2026-08-13"
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     "date": "2026-08-21"
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   ],
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  },
  {
   "id": "victoria-en-haar-huzaar-1933-de-operettezangers-amsterdam",
   "title": "Victoria en haar huzaar",
   "composer": "Paul Ábrahám",
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   "music_credit": null,
   "translation": null,
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    {
     "date": "1933-01-01",
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     "venue": null
    }
   ],
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   ],
   "url": "https://operetteinnederland.nl/productie/victoria-en-haar-huzaar-1933-de-operettezangers-amsterdam/"
  },
  {
   "id": "zu-jedem-kommt-einmal-das-gluck-1933-fritz-hirsch",
   "title": "Zu jedem kommt einmal das Glück",
   "composer": "Eduard Künneke",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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    {
     "date": "1933-01-05",
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     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
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   ],
   "url": "https://operetteinnederland.nl/productie/zu-jedem-kommt-einmal-das-gluck-1933-fritz-hirsch/"
  },
  {
   "id": "schat-weet-je-wat-1933-jacques-van-bijlevelt",
   "title": "Schat, weet je wat",
   "composer": "Marc Roland",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operettegezelschap-jacques-van-bijlevelt"
   ],
   "performances": [
    {
     "date": "1933-01-10",
     "time": null,
     "place": "Scala Theater, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Schat%2C_weet_je_wat_-_Operettegezelschap_Jacques_van_Bijlevelt_-_1933-01-10",
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     "url": "https://resolver.kb.nl/resolve?urn=MMKB15:000601010:mpeg21:a00005:ocr",
     "date": "2026-08-09"
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     "date": "2026-08-09"
    },
    {
     "url": "https://hubertlang.de/hans-bachwitz-buch/g-bibliographie/bibliographie/",
     "date": "2026-08-09"
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   ],
   "url": "https://operetteinnederland.nl/productie/schat-weet-je-wat-1933-jacques-van-bijlevelt/"
  },
  {
   "id": "violetta-das-veilchen-von-montmartre-1933-jacques-van-bijlevelt",
   "title": "Violetta, das Veilchen von Montmartre",
   "composer": "Emmerich Kálmán",
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   "music_credit": null,
   "translation": null,
   "category": "core",
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    {
     "date": "1933-01-21",
     "time": null,
     "place": "Scala Theater, Den Haag",
     "venue": null
    }
   ],
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  {
   "id": "tangolita-de-mexicaansche-1933-jacques-van-bijlevelt",
   "title": "Tangolita, de Mexicaansche",
   "composer": "Eugène Beeckman",
   "librettist": null,
   "music_credit": null,
   "translation": null,
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    {
     "date": "1933-02-03",
     "time": null,
     "place": "Scala Theater, Den Haag",
     "venue": null
    },
    {
     "date": "1933-02-04",
     "time": null,
     "place": "Scala Theater, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
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    {
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  },
  {
   "id": "in-t-witte-paard-1933-de-operettezangers-amsterdam",
   "title": "In 't Witte Paard",
   "composer": "Ralph Benatzky",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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    {
     "date": "1933-02-08",
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     "place": "Amsterdam première",
     "venue": null
    }
   ],
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     "url": "https://theaterencyclopedie.nl/wiki/De_Operettezangers",
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   "id": "ball-im-savoy-1933-fritz-hirsch",
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   "music_credit": null,
   "translation": null,
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    {
     "date": "1933-03-10",
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     "venue": null
    }
   ],
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  },
  {
   "id": "ik-houd-van-suzy-1933-grand-theatre",
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   "composer": "John Brookhouse McCarthy",
   "librettist": null,
   "music_credit": null,
   "translation": "Miek Mullens",
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   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1933-05-13",
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     "venue": null
    }
   ],
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    },
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     "url": "https://theaterencyclopedie.nl/wiki/Ik_houd_van_%22Susy%22_(Dix-neuf_ans)_-_Gezelschap_Grand_Th%C3%A9%C3%A2tre_-_1933-05-13",
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  {
   "id": "paganini-1933-fritz-hirsch",
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   "translation": null,
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    {
     "date": "1933-05-20",
     "time": null,
     "place": "Gebouw voor Kunsten en Wetenschappen, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
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   ],
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  {
   "id": "die-dubarry-1933-fritz-hirsch",
   "title": "Die Dubarry",
   "composer": "Carl Millöcker",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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    {
     "date": "1933-07-21",
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     "venue": null
    }
   ],
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     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
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   ],
   "url": "https://operetteinnederland.nl/productie/die-dubarry-1933-fritz-hirsch/"
  },
  {
   "id": "mazzelman-en-lindeman-1933-gezelschap-difraen",
   "title": "Mazzelman en Lindeman",
   "composer": "Franz Goetze",
   "librettist": null,
   "music_credit": null,
   "translation": null,
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   "status": "past",
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    "gezelschap-difraen"
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   "performances": [
    {
     "date": "1933-08-26",
     "time": null,
     "place": "première op zaterdag, Hollandsche Schouwburg, Amsterdam",
     "venue": null
    },
    {
     "date": "1933-09-29",
     "time": null,
     "place": "veertiendaagse reeks vanaf vrijdag 29 september, Edison en Apollo Theater, Amsterdam",
     "venue": null
    }
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     "url": "http://resolver.kb.nl/resolve?urn=ddd:010663661:mpeg21:a0223:ocr",
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   "id": "im-weissen-rossl-1933-fritz-hirsch",
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   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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     "date": "1933-08-29",
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     "place": "Princesse Schouwburg, Den Haag",
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   ],
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  },
  {
   "id": "vagebond-koning-1933-residentie-operettegezelschap-1933",
   "title": "Vagebond-Koning",
   "composer": "Rudolf Friml",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   "performances": [
    {
     "date": "1933-09-01",
     "time": null,
     "place": "Scala Theater, Den Haag",
     "venue": null
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   ],
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   "id": "reuze-meid-die-peggy-1933-residentie-operettegezelschap-1933",
   "title": "'n Reuze-meid.... die Peggy!",
   "composer": "Leo Ascher",
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   "music_credit": null,
   "translation": null,
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   "status": "past",
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    {
     "date": "1933-11-01",
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     "place": "Scala Theater, Den Haag",
     "venue": null
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   ],
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   "id": "tango-der-liefde-1933-residentie-operettegezelschap-1933",
   "title": "Tango der Liefde",
   "composer": "Károly Komjáti",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   "performances": [
    {
     "date": "1933-11-16",
     "time": null,
     "place": "Scala Theater, Den Haag",
     "venue": null
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   ],
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     "url": "https://theaterencyclopedie.nl/wiki/Tango_der_Liefde_-_Residentie_Operettegezelschap_-_1933-11-16",
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   ],
   "url": "https://operetteinnederland.nl/productie/tango-der-liefde-1933-residentie-operettegezelschap-1933/"
  },
  {
   "id": "la-fille-de-madame-angot-1933-odes",
   "title": "De dochter van Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1933-11-27",
     "time": null,
     "place": "Princesse-Schouwburg, Den Haag (eerste uitvoering van de vereniging)",
     "venue": null
    }
   ],
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     "url": "http://resolver.kb.nl/resolve?urn=ddd:010015064:mpeg21:a0075:ocr",
     "date": "2026-08-14"
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     "date": "2026-08-14"
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     "url": "http://resolver.kb.nl/resolve?urn=ddd:010017611:mpeg21:a0021:ocr",
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   "id": "kom-tsigane-speel-grafin-mariza-1933-residentie-operettegezelschap-1933",
   "title": "Kom Tsigane speel...",
   "composer": "Emmerich Kálmán",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1933-12-16",
     "time": null,
     "place": "Scala Theater, Den Haag",
     "venue": null
    }
   ],
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     "url": "https://theaterencyclopedie.nl/wiki/Kom_Tsigane_speel..._%28Gr%C3%A4fin_Mariza%29_-_Residentie_Operettegezelschap_-_1933-12-16",
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   "id": "zwei-herzen-im-dreivierteltakt-1933-fritz-hirsch",
   "title": "Zwei Herzen im Dreivierteltakt",
   "composer": "Robert Stolz",
   "librettist": "Paul Knepler, Ignaz Michael Welleminsky en Robert Gilbert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1933-12-20",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
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   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
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   ],
   "url": "https://operetteinnederland.nl/productie/zwei-herzen-im-dreivierteltakt-1933-fritz-hirsch/"
  },
  {
   "id": "de-klokken-van-korneville-1934-kampen",
   "title": "De Klokken van Korneville",
   "composer": "Robert Planquette",
   "librettist": "Louis Clairville en Charles Gabet",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1934",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   ],
   "url": "https://operetteinnederland.nl/productie/de-klokken-van-korneville-1934-kampen/"
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  {
   "id": "de-fideele-boer-1934-residentie-operettegezelschap-1933",
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     "date": "1937-03-16",
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   "id": "de-arme-student-1937-odes",
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   "id": "sag-beim-abschied-leise-servus-1937-fritz-hirsch",
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   "id": "warum-lugst-du-cherie-1937-fritz-hirsch",
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     "date": "1937-11-06",
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   "id": "ein-veilchen-auf-der-wiese-stand-1937-fritz-hirsch",
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     "date": "1938",
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     "date": "1938-01",
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     "date": "1938-02-13",
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     "date": "1938-04-17",
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    {
     "date": "1938-06-14",
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   "id": "der-zigeunerbaron-1938-odes",
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     "date": "1938-04-25",
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   "id": "de-graaf-van-luxemburg-1938-amsterdam",
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     "date": "1938-05",
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   "id": "hor-mein-lied-violetta-1938-fritz-hirsch",
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     "date": "1938-07-29",
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     "date": "1938-08-02",
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   "id": "zigeunerliefde-1938-amsterdam",
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     "date": "1938-10",
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   "id": "bei-mir-bist-du-schon-1938-fritz-hirsch",
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     "date": "1938-10-08",
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     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/bei-mir-bist-du-schon-1938-fritz-hirsch/"
  },
  {
   "id": "de-huzaren-van-villars-1938-de-operette-spelers",
   "title": "De huzaren van Villars",
   "composer": "Aimé Maillart",
   "librettist": "Cormon en Lockroy",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "1938-10-08",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   ],
   "url": "https://operetteinnederland.nl/productie/de-huzaren-van-villars-1938-de-operette-spelers/"
  },
  {
   "id": "es-war-einmal-ein-walzer-1938-fritz-hirsch",
   "title": "Es war einmal ein Walzer",
   "composer": "Leo Ascher",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1938-12-24",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    },
    {
     "date": "1939-01-09",
     "time": null,
     "place": "Stadsschouwburg, Amsterdam",
     "venue": null
    }
   ],
   "sources": [
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     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/es-war-einmal-ein-walzer-1938-fritz-hirsch/"
  },
  {
   "id": "viktoria-und-ihr-husar-1939-groninger-operette-ensemble",
   "title": "Viktoria und ihr Husar",
   "composer": "Paul Ábrahám",
   "librettist": "Alfred Grünwald en Fritz Löhner-Beda",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "groninger-operette-ensemble"
   ],
   "performances": [
    {
     "date": "1939",
     "time": null,
     "place": "Groningen",
     "venue": null
    }
   ],
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   ],
   "url": "https://operetteinnederland.nl/productie/viktoria-und-ihr-husar-1939-groninger-operette-ensemble/"
  },
  {
   "id": "de-koningin-van-montmartre-1939-amsterdam",
   "title": "De Koningin van Montmartre",
   "composer": "Vada Ennem",
   "librettist": "Denn Spranklin",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "1939-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-07"
    },
    {
     "url": "https://nl.wikipedia.org/wiki/De_Koningin_van_Montmartre",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/Vada_Ennem",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-koningin-van-montmartre-1939-amsterdam/"
  },
  {
   "id": "fruhlingsreise-mit-dir-1939-fritz-hirsch",
   "title": "Frühlingsreise mit dir",
   "composer": "Franz Lehár",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
   ],
   "performances": [
    {
     "date": "1939-03-16",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/fruhlingsreise-mit-dir-1939-fritz-hirsch/"
  },
  {
   "id": "1001-nacht-1939-amsterdam",
   "title": "1001 Nacht",
   "composer": "Johann Strauss jr.",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "musicalvereniging-dos"
   ],
   "performances": [
    {
     "date": "1939-04-09",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/1001-nacht-1939-amsterdam/"
  },
  {
   "id": "der-vice-admiral-1939-odes",
   "title": "De vice-admiraal",
   "composer": "Carl Millöcker",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "residentie-operette-odes"
   ],
   "performances": [
    {
     "date": "1939-04-24",
     "time": null,
     "place": "Seinpostzaal, Scheveningen (jaarlijkse uitvoering)",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://resolver.kb.nl/resolve?urn=MMKB27:021095039:mpeg21:a00065:ocr",
     "date": "2026-08-14"
    },
    {
     "url": "http://resolver.kb.nl/resolve?urn=MMKB04:000150224:mpeg21:a0123:ocr",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vice-admiral-1939-odes/"
  },
  {
   "id": "bel-ami-1939-fritz-hirsch",
   "title": "Bel Ami",
   "composer": "Jean Gilbert",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
   ],
   "performances": [
    {
     "date": "1939-05-17",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/bel-ami-1939-fritz-hirsch/"
  },
  {
   "id": "die-kleine-hoheit-1939-fritz-hirsch",
   "title": "Die kleine Hoheit",
   "composer": "Martin Knopf",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
   ],
   "performances": [
    {
     "date": "1939-08-11",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-kleine-hoheit-1939-fritz-hirsch/"
  },
  {
   "id": "de-koningin-van-montmartre-1939-de-operettezangers-amsterdam",
   "title": "De Koningin van Montmartre",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-operettezangers-amsterdam"
   ],
   "performances": [
    {
     "date": "1939-12-02",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Operettezangers",
     "date": "2026-08-07"
    },
    {
     "url": "https://nl.wikipedia.org/wiki/De_Koningin_van_Montmartre",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/Vada_Ennem",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-koningin-van-montmartre-1939-de-operettezangers-amsterdam/"
  },
  {
   "id": "freut-euch-des-lebens-1939-fritz-hirsch",
   "title": "Freut euch des Lebens",
   "composer": "Emmerich Kálmán",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
   ],
   "performances": [
    {
     "date": "1939-12-22",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    },
    {
     "date": "1939-12-31",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "1940-05-09",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/freut-euch-des-lebens-1939-fritz-hirsch/"
  },
  {
   "id": "geisha-1940-kampen",
   "title": "Geisha",
   "composer": "Sidney Jones",
   "librettist": "boek Owen Hall, liedteksten Harry Greenbank",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "theaterkoor-caecilia-kampen"
   ],
   "performances": [
    {
     "date": "1940",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterkoorcaecilia.nl/producties/",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/geisha-1940-kampen/"
  },
  {
   "id": "martha-1940-kampen",
   "title": "Martha",
   "composer": "Friedrich von Flotow",
   "librettist": "Friedrich Wilhelm Riese",
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "theaterkoor-caecilia-kampen"
   ],
   "performances": [
    {
     "date": "1940",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterkoorcaecilia.nl/producties/",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/martha-1940-kampen/"
  },
  {
   "id": "de-zilverwolf-1940-amsterdam",
   "title": "De Zilverwolf",
   "composer": "Tony Thomas",
   "librettist": "Rudolf Frank",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "1940-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-zilverwolf-1940-amsterdam/"
  },
  {
   "id": "de-dochter-van-den-tamboer-majoor-1940-de-operettezangers-amsterdam",
   "title": "De dochter van den tamboer-majoor",
   "composer": "Jacques Offenbach",
   "librettist": "Alfred Duru en Henri Chivot",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-operettezangers-amsterdam"
   ],
   "performances": [
    {
     "date": "1940-03-01",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Operettezangers",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-dochter-van-den-tamboer-majoor-1940-de-operettezangers-amsterdam/"
  },
  {
   "id": "der-graf-von-luxemburg-1940-fritz-hirsch",
   "title": "Der Graf von Luxemburg",
   "composer": "Franz Lehár",
   "librettist": "Alfred Maria Willner en Robert Bodanzky",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "fritz-hirsch-operette"
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   "performances": [
    {
     "date": "1940-03-23",
     "time": null,
     "place": "Princesse Schouwburg, Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Categorie:Producties_Fritz_Hirsch_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-graf-von-luxemburg-1940-fritz-hirsch/"
  },
  {
   "id": "geef-me-n-kus-1940-de-operettespelers",
   "title": "Geef me 'n kus",
   "composer": "Maurice Yvain",
   "librettist": "André Barde",
   "music_credit": "muziek Maurice Yvain, met toegevoegde muziek van Rob Milton en Jack Millar",
   "translation": "Herre de Vos",
   "category": "core",
   "status": "past",
   "organizations": [],
   "performances": [
    {
     "date": "1940-07-05",
     "time": null,
     "place": "premiere, Centraal Theater, Amsterdam (seizoen 1939/1940)",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/Geef_me_%27n_kus_-_De_Operettespelers_-_1940-07-05",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/geef-me-n-kus-1940-de-operettespelers/"
  },
  {
   "id": "de-boemelbaron-1940-nederlandsche-operette-kees-van-dam",
   "title": "De Boemelbaron",
   "composer": "Walter Kollo",
   "librettist": "Hermann Haller, Alexander Siegmund Pordes en Willi Wolff",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nederlandsche-operette-kees-van-dam"
   ],
   "performances": [
    {
     "date": "1940-07-06",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Nederlandsche_operette_o.l.v._Kees_van_Dam",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Boemelbaron_-_De_Nederlandsche_operette_o.l.v._Kees_van_Dam_-_1940-07-06",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-boemelbaron-1940-nederlandsche-operette-kees-van-dam/"
  },
  {
   "id": "dolle-lola-1940-de-operettespelers",
   "title": "Dolle Lola",
   "composer": "Hugo Hirsch",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [],
   "performances": [
    {
     "date": "1940-08-02",
     "time": null,
     "place": "premiere, Centraal Theater, Amsterdam (seizoen 1939/1940)",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Dolle_Lola_-_De_Operettespelers_-_1940-08-02",
     "date": "2026-08-10"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Operettespelers",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/dolle-lola-1940-de-operettespelers/"
  },
  {
   "id": "rose-marie-1940-de-operettezangers-amsterdam",
   "title": "Rose Marie",
   "composer": "Rudolf Friml & Herbert Stothart",
   "librettist": "boek en liedteksten Otto Harbach en Oscar Hammerstein II",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-operettezangers-amsterdam"
   ],
   "performances": [
    {
     "date": "1940-08-16",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/De_Operettezangers",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/rose-marie-1940-de-operettezangers-amsterdam/"
  },
  {
   "id": "de-zilverwolf-1940-de-operettezangers-amsterdam",
   "title": "De zilverwolf",
   "composer": "Tony Thomas",
   "librettist": "Rudolf Frank",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-operettezangers-amsterdam"
   ],
   "performances": [
    {
     "date": "1940-09-21",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Operettezangers",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_zilverwolf_-_De_Operettezangers_-_1940-09-21",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-zilverwolf-1940-de-operettezangers-amsterdam/"
  },
  {
   "id": "victoria-en-haar-huzaar-1940-de-operettespelers",
   "title": "Victoria en haar Huzaar",
   "composer": "Paul Ábrahám",
   "librettist": "Alfred Grünwald en Fritz Löhner-Beda",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [],
   "performances": [
    {
     "date": "1940-10-03",
     "time": null,
     "place": "premiere, Carré, Amsterdam (seizoen 1940/1941)",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Victoria_en_haar_Huzaar_-_De_Operettespelers_-_1940-10-03",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/victoria-en-haar-huzaar-1940-de-operettespelers/"
  },
  {
   "id": "die-fledermaus-1940-de-haagsche-operette",
   "title": "Die Fledermaus",
   "composer": "Johann Strauss jr.",
   "librettist": "Carl Haffner en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-haagsche-operette"
   ],
   "performances": [
    {
     "date": "1940-10-05",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haagsche_Operette",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-fledermaus-1940-de-haagsche-operette/"
  },
  {
   "id": "das-dreimaderlhaus-1940-odes",
   "title": "Das Dreimäderlhaus",
   "composer": "Heinrich Berté",
   "librettist": "Alfred Maria Willner en Heinz Reichert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "residentie-operette-odes"
   ],
   "performances": [
    {
     "date": "1940-10-06",
     "time": null,
     "place": "Seinpost Theater, Scheveningen (zondagmiddag)",
     "venue": null
    }
   ],
   "sources": [
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     "url": "http://resolver.kb.nl/resolve?urn=ddd:110527963:mpeg21:a0328:ocr",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/das-dreimaderlhaus-1940-odes/"
  },
  {
   "id": "de-vendetta-1940-amsterdam",
   "title": "De Vendetta",
   "composer": "Vada Ennem",
   "librettist": null,
   "music_credit": null,
   "translation": null,
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     "place": "",
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    {
     "date": "1940-11-17",
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     "place": "",
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   ],
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  },
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   "id": "professor-witkiel-1940-nederlandsche-operette-kees-van-dam",
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   "librettist": null,
   "music_credit": null,
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    {
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     "time": null,
     "place": "",
     "venue": null
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   "performances": [
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     "date": "1941",
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   "id": "leichte-kavallerie-1941-paterswolde",
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   "librettist": null,
   "music_credit": null,
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   "performances": [
    {
     "date": "1941",
     "time": null,
     "place": "",
     "venue": null
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   "performances": [
    {
     "date": "1941-01-24",
     "time": null,
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     "venue": null
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   ],
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  {
   "id": "hofloge-1941-de-hollandsche-operette",
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   "composer": "Hans Lang",
   "librettist": null,
   "music_credit": null,
   "translation": null,
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   "performances": [
    {
     "date": "1941-04-09",
     "time": null,
     "place": "",
     "venue": null
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   ],
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    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/Hofloge_-_De_Hollandsche_Operette_-_1941-04-09",
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   ],
   "url": "https://operetteinnederland.nl/productie/hofloge-1941-de-hollandsche-operette/"
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   "id": "die-csardasfurstin-1941-amsterdam",
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   "music_credit": null,
   "translation": null,
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   "performances": [
    {
     "date": "1941-04-13",
     "time": null,
     "place": "",
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   ],
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   "id": "gri-gri-1941-de-operettezangers-amsterdam",
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   "music_credit": null,
   "translation": null,
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   "performances": [
    {
     "date": "1941-08-15",
     "time": null,
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     "venue": null
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   ],
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     "url": "https://theaterencyclopedie.nl/wiki/De_Operettezangers",
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   "id": "de-vogelkoopman-1941-de-operettezangers-amsterdam",
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   "music_credit": null,
   "translation": null,
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   "performances": [
    {
     "date": "1941-09-05",
     "time": null,
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     "venue": null
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   ],
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   "id": "lentelucht-1941-de-haagsche-operette",
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   "music_credit": null,
   "translation": null,
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    {
     "date": "1941-09-06",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://theaterencyclopedie.nl/wiki/De_Haagsche_Operette",
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   ],
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   "id": "de-graaf-van-luxemburg-1941-de-operettezangers-amsterdam",
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   "music_credit": null,
   "translation": null,
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    {
     "date": "1941-10-03",
     "time": null,
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     "venue": null
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   ],
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     "url": "https://theaterencyclopedie.nl/wiki/De_Operettezangers",
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   "id": "hongaarsche-liefde-1941-de-operettezangers-amsterdam",
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   "composer": "Oskar Nedbal",
   "librettist": "Leo Stein",
   "music_credit": null,
   "translation": null,
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   "status": "past",
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   "performances": [
    {
     "date": "1941-10-22",
     "time": null,
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     "venue": null
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   "id": "hallo-baby-1941-de-operettezangers-amsterdam",
   "title": "Hallo Baby of 'n baby van duizend weken",
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   "librettist": null,
   "music_credit": null,
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    {
     "date": "1941-11-16",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
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     "url": "https://theaterencyclopedie.nl/wiki/%27n_Baby_van_1000_weken_-_Gezelschap_Grand_Th%C3%A9%C3%A2tre_-_1929-06-29",
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   "url": "https://operetteinnederland.nl/productie/hallo-baby-1941-de-operettezangers-amsterdam/"
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   "id": "die-forsterchristl-1941-odes",
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   "librettist": null,
   "music_credit": null,
   "translation": null,
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   "status": "past",
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   "performances": [
    {
     "date": "1941-11-29",
     "time": null,
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     "venue": null
    },
    {
     "date": "1941-11-30",
     "time": null,
     "place": "gebouw Custodia, Den Haag (zondagmiddag)",
     "venue": null
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   ],
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     "date": "2026-08-14"
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   "id": "het-lied-der-woestijn-1942-kampen",
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   "translation": null,
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   "performances": [
    {
     "date": "1942",
     "time": null,
     "place": "",
     "venue": null
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   ],
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   "id": "der-bettelstudent-1942-winkel",
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   "music_credit": null,
   "translation": null,
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   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1942-03-08",
     "time": null,
     "place": "15.30 uur, zaal Laan, Winkel; uitgestelde reeks",
     "venue": null
    },
    {
     "date": "1942-03-15",
     "time": null,
     "place": "14.00 uur, zaal Laan, Winkel",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://kranten.archiefalkmaar.nl/issue/SC/1941-05-15/edition/null/page/5",
     "date": "2026-08-13"
    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/DVHN/1942-02-26/edition/null/page/4",
     "date": "2026-08-13"
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   "id": "het-lied-der-vrijheid-1942-de-operettezangers-amsterdam",
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   "music_credit": null,
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   "status": "past",
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   "performances": [
    {
     "date": "1942-10-01",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
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   ],
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    {
     "url": "https://theaterencyclopedie.nl/wiki/Het_lied_der_vrijheid_-_De_Operettezangers_-_1942-10-01",
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     "url": "https://theaterencyclopedie.nl/wiki/Het_lied_der_vrijheid_-_De_Operettezangers_-_1947-10-01",
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   "id": "de-zigeunerbaron-1942-amsterdam",
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   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   "performances": [
    {
     "date": "1942-11-22",
     "time": null,
     "place": "",
     "venue": null
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   ],
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   "id": "gasparone-1943-amsterdam",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   "performances": [
    {
     "date": "1943-04",
     "time": null,
     "place": "",
     "venue": null
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   ],
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     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
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   "url": "https://operetteinnederland.nl/productie/gasparone-1943-amsterdam/"
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  {
   "id": "zigeunerliefde-1943-amsterdam",
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   "librettist": "Alfred Maria Willner en Robert Bodanzky",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1943-04-25",
     "time": null,
     "place": "",
     "venue": null
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   ],
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   "url": "https://operetteinnederland.nl/productie/zigeunerliefde-1943-amsterdam/"
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   "id": "konzert-und-operettenabend-1943-westerbork",
   "title": "Konzert- und Operettenabend",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [],
   "performances": [
    {
     "date": "1943-08-11",
     "time": null,
     "place": "Lager Westerbork",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://www.rtvnoord.nl/nieuws/147673/eppe-bodde-zingt-met-een-sprankje-hoop",
     "date": "2026-08-10"
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   "url": "https://operetteinnederland.nl/productie/konzert-und-operettenabend-1943-westerbork/"
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   "id": "de-dragonders-van-villars-1943-de-operettezangers-amsterdam",
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   "librettist": "Cormon en Lockroy",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   "performances": [
    {
     "date": "1943-09-02",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
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   ],
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     "url": "https://theaterencyclopedie.nl/wiki/De_Operettezangers",
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   "url": "https://operetteinnederland.nl/productie/de-dragonders-van-villars-1943-de-operettezangers-amsterdam/"
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   "id": "paganini-1943-amsterdam",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1943-10-17",
     "time": "13:30",
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.thalia-amsterdam.nl/site/geschiedenis/",
     "date": "2026-08-07"
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    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
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   "url": "https://operetteinnederland.nl/productie/paganini-1943-amsterdam/"
  },
  {
   "id": "het-lied-der-woestijn-1943-amsterdam",
   "title": "Het Lied der Woestijn",
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   "translation": null,
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   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "1943-12",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   ],
   "url": "https://operetteinnederland.nl/productie/het-lied-der-woestijn-1943-amsterdam/"
  },
  {
   "id": "der-graf-von-luxemburg-1944-oostzaan",
   "title": "Der Graf von Luxemburg",
   "composer": "Franz Lehár",
   "librettist": "Alfred Maria Willner en Robert Bodanzky",
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   "translation": null,
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "1944",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
   "sources": [
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-graf-von-luxemburg-1944-oostzaan/"
  },
  {
   "id": "kermisklanten-1944-de-operettezangers-amsterdam",
   "title": "Kermisklanten",
   "composer": "Louis Ganne",
   "librettist": "Maurice Ordonneau",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-operettezangers-amsterdam"
   ],
   "performances": [
    {
     "date": "1944-01-16",
     "time": null,
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     "venue": null
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   ],
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   ],
   "url": "https://operetteinnederland.nl/productie/kermisklanten-1944-de-operettezangers-amsterdam/"
  },
  {
   "id": "der-obersteiger-1944-amsterdam",
   "title": "Der Obersteiger",
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   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "musicalvereniging-dos"
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   "performances": [
    {
     "date": "1944-01-23",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   "url": "https://operetteinnederland.nl/productie/der-obersteiger-1944-amsterdam/"
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  {
   "id": "daar-houden-de-vrouwtjes-van-1944-ben-ter-hall",
   "title": "Daar houden de vrouwtjes van",
   "composer": "Walter Kollo",
   "librettist": "Franz Arnold en Ernst Bach",
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   "translation": null,
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   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1944-03-11",
     "time": null,
     "place": "premiere, Schouwburg Casino, 's-Hertogenbosch (seizoen 1943/1944)",
     "venue": null
    }
   ],
   "sources": [
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   ],
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  },
  {
   "id": "julischka-1944-amsterdam",
   "title": "Julischka, de Juweelen Bruid",
   "composer": "Jack Millar",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "1944-05",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.thalia-amsterdam.nl/site/geschiedenis/",
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    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-07"
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   ],
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  {
   "id": "mademoiselle-nitouche-1944-de-operettezangers-amsterdam",
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   "composer": "Hervé",
   "librettist": "Henri Meilhac en Albert Millaud",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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    {
     "date": "1944-06-01",
     "time": null,
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     "venue": null
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   ],
   "sources": [
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    {
     "url": "https://www.bruzanemediabase.com/en/exploration/works/mamzelle-nitouche-meilhac-millaud-herve",
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   "url": "https://operetteinnederland.nl/productie/mademoiselle-nitouche-1944-de-operettezangers-amsterdam/"
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  {
   "id": "seppl-1944-de-operettezangers-amsterdam",
   "title": "Sepp'l",
   "composer": "Emiel Hullebroeck",
   "librettist": "Louis de Vriendt en Lambrecht Lambrechts",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-operettezangers-amsterdam"
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   "performances": [
    {
     "date": "1944-09-01",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
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   ],
   "sources": [
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  {
   "id": "daar-was-laatst-een-meisje-loos-1944-frans-du-mee",
   "title": "Daar was laatst een meisje loos",
   "composer": "Jack Millar",
   "librettist": null,
   "music_credit": null,
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   "category": "core",
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   "organizations": [
    "gezelschap-frans-du-mee"
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    {
     "date": "1944-11-26",
     "time": null,
     "place": "premiere, Theater Royal, Amsterdam (seizoen 1944/1945)",
     "venue": null
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   ],
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  {
   "id": "daar-houden-de-vrouwtjes-van-1944-frans-du-mee",
   "title": "Daar houden de vrouwtjes van",
   "composer": "Walter Kollo",
   "librettist": "Franz Arnold en Ernst Bach",
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   "translation": null,
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   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1944-12-24",
     "time": null,
     "place": "premiere, Theater Royal, Amsterdam (seizoen 1944/1945)",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/Daar_houden_de_vrouwtjes_van_-_Gezelschap_Frans_du_M%C3%A9e_-_1944-12-24",
     "date": "2026-08-10"
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   ],
   "url": "https://operetteinnederland.nl/productie/daar-houden-de-vrouwtjes-van-1944-frans-du-mee/"
  },
  {
   "id": "das-dreimaderlhaus-1945-hoofdstad",
   "title": "Das Dreimäderlhaus",
   "composer": "Heinrich Berté",
   "librettist": "Alfred Maria Willner en Heinz Reichert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "hoofdstad-operette"
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   "performances": [
    {
     "date": "1945",
     "time": null,
     "place": "seizoen 1945-46, landelijke tournee",
     "venue": null
    }
   ],
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   "url": "https://operetteinnederland.nl/productie/das-dreimaderlhaus-1945-hoofdstad/"
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  {
   "id": "ein-walzertraum-1945-hoofdstad",
   "title": "Ein Walzertraum",
   "composer": "Oscar Straus",
   "librettist": "Felix Dörmann en Leopold Jacobson",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "hoofdstad-operette"
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   "performances": [
    {
     "date": "1945",
     "time": null,
     "place": "seizoen 1945-46, landelijke tournee",
     "venue": null
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   ],
   "sources": [
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   "url": "https://operetteinnederland.nl/productie/ein-walzertraum-1945-hoofdstad/"
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  {
   "id": "het-lied-der-woestijn-1945-groninger-operette-ensemble",
   "title": "Het Lied der Woestijn",
   "composer": "Sigmund Romberg",
   "librettist": "boek Otto Harbach, Oscar Hammerstein II en Frank Mandel, liedteksten Otto Harbach en Oscar Hammerstein II",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1945",
     "time": null,
     "place": "reeks voorstellingen in Groningen; exacte speeldata onbekend",
     "venue": null
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   ],
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  {
   "id": "victoria-en-haar-huzaar-1945-kampen",
   "title": "Victoria en Haar Huzaar",
   "composer": "Paul Ábrahám",
   "librettist": "Alfred Grünwald en Fritz Löhner-Beda",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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    {
     "date": "1945",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://theaterkoorcaecilia.nl/producties/",
     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/victoria-en-haar-huzaar-1945-kampen/"
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   "id": "zigeunerliebe-1945-oostzaan",
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   "composer": "Franz Lehár",
   "librettist": "Alfred Maria Willner en Robert Bodanzky",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1945",
     "time": null,
     "place": "Oostzaan",
     "venue": null
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   ],
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   "id": "operetteconcert-1945-amsterdam",
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   "performances": [
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     "date": "1945-01",
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     "venue": null
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   ],
   "sources": [
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    {
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   "id": "het-gaat-goed-1945-de-operettezangers-amsterdam",
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   "music_credit": null,
   "translation": null,
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   "status": "past",
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    {
     "date": "1945-06-26",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
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   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/De_Operettezangers",
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    {
     "url": "https://theaterencyclopedie.nl/wiki/Het_gaat_goed_-_De_Operettezangers_-_1945-06-26",
     "date": "2026-08-10"
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     "date": "2026-08-21"
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   "id": "de-dragonders-van-villars-1945-de-operettezangers-amsterdam",
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   "composer": "Aimé Maillart",
   "librettist": "Cormon en Lockroy",
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   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1945-09-15",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
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   "sources": [
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   "id": "madame-de-pompadour-1945-de-operettezangers-amsterdam",
   "title": "Madame de Pompadour",
   "composer": "Leo Fall",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   "performances": [
    {
     "date": "1945-10-27",
     "time": null,
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     "venue": null
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   ],
   "sources": [
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     "url": "https://theaterencyclopedie.nl/wiki/De_Operettezangers",
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   ],
   "url": "https://operetteinnederland.nl/productie/madame-de-pompadour-1945-de-operettezangers-amsterdam/"
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   "id": "de-dochter-van-de-tamboer-majoor-1945-de-operettezangers-amsterdam",
   "title": "De dochter van de tamboer-majoor",
   "composer": "Jacques Offenbach",
   "librettist": "Alfred Duru en Henri Chivot",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1945-11-24",
     "time": null,
     "place": "Amsterdam première",
     "venue": null
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    {
     "date": "1947-10-31",
     "time": null,
     "place": "Scala, Den Haag — begin van een dagelijkse reeks (Binnenhof-kunstagenda's)",
     "venue": null
    },
    {
     "date": "1947-11-12",
     "time": null,
     "place": "Scala, Den Haag — laatst teruggevonden avond van de reeks; De Maasbode 12-11-1947 noemt het gezelschap in de regel zelf",
     "venue": null
    },
    {
     "date": "1948-04-01",
     "time": "20:00",
     "place": "Gebouw voor K. en W., Den Haag — 'buitengewone opvoering', geadverteerd als 'DE HOFSTADOPERETTE'",
     "venue": null
    },
    {
     "date": "1947-09",
     "time": null,
     "place": "Carré, Amsterdam — agendareeks De Maasbode 12-25 sept 1947, gezelschap genoemd",
     "venue": null
    }
   ],
   "sources": [
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    {
     "url": "http://resolver.kb.nl/resolve?urn=MMKB15:000549062:mpeg21:a00026:ocr",
     "date": "2026-08-15"
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     "url": "http://resolver.kb.nl/resolve?urn=MMKB19:000370103:mpeg21:a00013:ocr",
     "date": "2026-08-15"
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    {
     "url": "http://resolver.kb.nl/resolve?urn=MMKB15:000549112:mpeg21:a00033:ocr",
     "date": "2026-08-15"
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    {
     "url": "http://resolver.kb.nl/resolve?urn=MMKB19:000368074:mpeg21:a00099:ocr",
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   "url": "https://operetteinnederland.nl/productie/de-dochter-van-de-tamboer-majoor-1945-de-operettezangers-amsterdam/"
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  {
   "id": "die-lustige-witwe-1946-hoofdstad",
   "title": "Die lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1946",
     "time": null,
     "place": "seizoen 1946-47, landelijke tournee",
     "venue": null
    }
   ],
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     "url": "http://resolver.kb.nl/resolve?urn=ddd:010886975:mpeg21:a0069:ocr",
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   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-1946-hoofdstad/"
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  {
   "id": "grafin-mariza-1946-groninger-operette-ensemble",
   "title": "Gräfin Mariza",
   "composer": "Emmerich Kálmán",
   "librettist": "Julius Brammer en Alfred Grünwald",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "1946",
     "time": null,
     "place": "Groningen",
     "venue": null
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   ],
   "sources": [
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   ],
   "url": "https://operetteinnederland.nl/productie/grafin-mariza-1946-groninger-operette-ensemble/"
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  {
   "id": "im-weissen-rossl-1946-hoofdstad",
   "title": "Im weissen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "hoofdstad-operette"
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   "performances": [
    {
     "date": "1946",
     "time": null,
     "place": "seizoen 1946-47, landelijke tournee",
     "venue": null
    }
   ],
   "sources": [
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     "url": "http://resolver.kb.nl/resolve?urn=MMUBTB04:210846062:mpeg21:a00015:ocr",
     "date": "2026-08-13"
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   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-1946-hoofdstad/"
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  {
   "id": "la-mascotte-1946-oostzaan",
   "title": "La Mascotte",
   "composer": "Edmond Audran",
   "librettist": "Henri Chivot en Alfred Duru",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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    {
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    }
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   "id": "der-vogelhandler-1947-alkmaar",
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     "date": "1947-01-12",
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     "date": "1947-10-18",
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     "date": "1947-10-25",
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     "date": "1948-04-14",
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     "date": "1948-04-17",
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     "date": "1949-05",
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     "date": "1948-12-19",
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     "time": null,
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     "date": "1976",
     "time": null,
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     "time": null,
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     "time": null,
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     "date": "1976",
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     "date": "1976",
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     "time": null,
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     "place": "De Klinker, Winschoten",
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    },
    {
     "date": "1981-11-14",
     "time": null,
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     "venue": null
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   ],
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   "id": "der-vogelhandler-1981-hoogezand",
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   ],
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    {
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    {
     "date": "1981-12-12",
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     "date": "1982",
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     "date": "1982",
     "time": null,
     "place": "",
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     "date": "1982",
     "time": null,
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     "venue": null
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    {
     "date": "1982",
     "time": null,
     "place": "",
     "venue": null
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     "date": "1982",
     "time": null,
     "place": "",
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    {
     "date": "1982",
     "time": null,
     "place": "",
     "venue": null
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    {
     "date": "1982",
     "time": null,
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     "venue": null
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     "date": "1982",
     "time": null,
     "place": "",
     "venue": null
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     "date": "1982",
     "time": null,
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     "venue": null
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     "date": "1982",
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   "music_credit": "samengesteld uit bekende operette- en musicalmelodieën",
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     "date": "1982",
     "time": null,
     "place": "",
     "venue": null
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   "translation": null,
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     "date": "1982-02-20",
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    {
     "date": "1982-02-27",
     "time": null,
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    {
     "date": "1982-03-06",
     "time": null,
     "place": "Theater De Beun, Heiloo",
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     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/1982-02-03/edition/null/page/2",
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   "id": "grafin-mariza-1982-goog",
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    {
     "date": "1982-03",
     "time": null,
     "place": "",
     "venue": null
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   ],
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     "url": "https://goog.nl/volledige-concertgeschiedenis-goog/",
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   "id": "monsieur-choufleuri-1982-amsterdam",
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    {
     "date": "1982-03",
     "time": null,
     "place": "",
     "venue": null
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    {
     "date": "1982-03",
     "time": null,
     "place": "",
     "venue": null
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   "id": "maske-in-blau-1982-zaandam",
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   "status": "past",
   "organizations": [
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    {
     "date": "1982-03-05",
     "time": null,
     "place": "De Speeldoos, Zaandam",
     "venue": null
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   "organizations": [
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    {
     "date": "1982-03-12",
     "time": null,
     "place": "De Hoeksteen, Amsterdam",
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    {
     "date": "1982-03-13",
     "time": null,
     "place": "De Hoeksteen, Amsterdam",
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    {
     "date": "1982-03-14",
     "time": null,
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    {
     "date": "1982-03-26",
     "time": null,
     "place": "Eelde",
     "venue": null
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   "translation": null,
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    {
     "date": "1982-03-30",
     "time": null,
     "place": "Oranjerie, Roermond",
     "venue": null
    },
    {
     "date": "1982-04-01",
     "time": null,
     "place": "Oranjerie, Roermond",
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    {
     "date": "1982-04-02",
     "time": null,
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    {
     "date": "1982-04-06",
     "time": null,
     "place": "cultureel centrum, Sittard",
     "venue": null
    },
    {
     "date": "1982-04-16",
     "time": null,
     "place": "stadsschouwburg Heerlen",
     "venue": null
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   "id": "der-bettelstudent-1982-odes",
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   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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     "date": "1982-04-16",
     "time": "20:15",
     "place": "Nederlands Congresgebouw, Den Haag (vrijdag)",
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     "time": null,
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     "date": "1985-01-12",
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     "date": "1985-01-26",
     "time": null,
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    {
     "date": "1985-02-01",
     "time": null,
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    {
     "date": "1985-02-02",
     "time": null,
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     "time": null,
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    {
     "date": "1985-02-09",
     "time": null,
     "place": "Ontspanningscentrum Wessanen (De Bres), Wormerveer",
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     "date": "1985-02-22",
     "time": null,
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     "date": "1985-03",
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     "date": "1985-03-01",
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     "date": "1985-03-02",
     "time": null,
     "place": "aula Rijksscholengemeenschap Het Hogeland, Warffum",
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   "id": "gasparone-1985-zaandam",
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   "organizations": [
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     "date": "1985-03-01",
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     "date": "1985-03-02",
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     "place": "De Speeldoos, Zaandam",
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     "time": null,
     "place": "De Speeldoos, Zaandam",
     "venue": null
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     "date": "1985-03-23",
     "time": null,
     "place": "De Speeldoos, Zaandam",
     "venue": null
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    {
     "date": "1985-03-30",
     "time": null,
     "place": "De Speeldoos, Zaandam",
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   "organizations": [
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     "date": "1985-03-29",
     "time": null,
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    {
     "date": "1985-03-30",
     "time": null,
     "place": "De Oranjerie, Roermond",
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     "date": "1985-04-12",
     "time": null,
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     "venue": null
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     "date": "1985-04-13",
     "time": null,
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     "venue": null
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    {
     "date": "1985-04-20",
     "time": null,
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     "date": "1985-04-12",
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     "date": "1985-04-13",
     "time": null,
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    {
     "date": "1985-04-14",
     "time": null,
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     "time": null,
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    {
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    {
     "date": "1990-03-31",
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     "venue": null
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    {
     "date": "1990-04-06",
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     "place": "",
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     "date": "1990-11-10",
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    },
    {
     "date": "1990-11-17",
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     "date": "1991",
     "time": null,
     "place": "",
     "venue": null
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     "time": null,
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     "date": "1991",
     "time": null,
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    }
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     "time": null,
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     "time": null,
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    }
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     "date": "1991-11-09",
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     "date": "1991-11-15",
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     "date": "1991-11-16",
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     "date": "1991-11-29",
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     "date": "1992",
     "time": null,
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     "date": "1992",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
    {
     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-1992-purmerend/"
  },
  {
   "id": "im-weissen-rossl-1992-rozenburg",
   "title": "Im weißen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rozenburgs-operettekoor"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.muziektheater-nederland.nl/rozenburgs-operette-koor/periode_1985_tot_2000.htm",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-1992-rozenburg/"
  },
  {
   "id": "l-ile-de-tulipatan-1992-oostzaan",
   "title": "L'île de Tulipatan",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Chivot en Alfred Duru",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/1990-1999/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/l-ile-de-tulipatan-1992-oostzaan/"
  },
  {
   "id": "la-belle-helene-1992-amsterdam",
   "title": "La Belle Hélène",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "musical-gang-amsterdam"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-belle-helene-1992-amsterdam/"
  },
  {
   "id": "la-fille-de-madame-angot-1992-krommenie",
   "title": "La Fille de Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "krommenieer-ov"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-1992-krommenie/"
  },
  {
   "id": "la-perichole-1992-apeldoorn",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "apeldoornse-operette-vereniging"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-1992-apeldoorn/"
  },
  {
   "id": "la-vie-parisienne-1992-gouda",
   "title": "La Vie Parisienne",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "goudse-operette"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-vie-parisienne-1992-gouda/"
  },
  {
   "id": "les-cloches-de-corneville-1992-abbekerk",
   "title": "Les Cloches de Corneville",
   "composer": "Robert Planquette",
   "librettist": "Louis Clairville en Charles Gabet",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "azov-musicals"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-cloches-de-corneville-1992-abbekerk/"
  },
  {
   "id": "les-cloches-de-corneville-1992-dalfsen",
   "title": "Les Cloches de Corneville",
   "composer": "Robert Planquette",
   "librettist": "Louis Clairville en Charles Gabet",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-vechtstreek-dalfsen"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-cloches-de-corneville-1992-dalfsen/"
  },
  {
   "id": "les-cloches-de-corneville-1992-dedemsvaart",
   "title": "Les Cloches de Corneville",
   "composer": "Robert Planquette",
   "librettist": "Louis Clairville en Charles Gabet",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheater-vakk"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-cloches-de-corneville-1992-dedemsvaart/"
  },
  {
   "id": "monsieur-choufleuri-1992-den-haag",
   "title": "Monsieur Choufleuri",
   "composer": "Jacques Offenbach",
   "librettist": "Monsieur de Saint-Rémy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "mvo-operette-den-haag"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/monsieur-choufleuri-1992-den-haag/"
  },
  {
   "id": "orphee-aux-enfers-1992-oostzaan",
   "title": "Orphée aux enfers",
   "composer": "Jacques Offenbach",
   "librettist": "Hector Crémieux en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/1990-1999/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orphee-aux-enfers-1992-oostzaan/"
  },
  {
   "id": "ruddigore-1992-almere",
   "title": "Ruddigore",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "omva-almere"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/ruddigore-1992-almere/"
  },
  {
   "id": "ruddigore-1992-amstelveen",
   "title": "Ruddigore",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "ova-musicals-amstelveen"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/ruddigore-1992-amstelveen/"
  },
  {
   "id": "ruddigore-1992-rotterdam",
   "title": "Ruddigore",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "havenstad-operette"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/ruddigore-1992-rotterdam/"
  },
  {
   "id": "the-gondoliers-1992-oss",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "het-maaslands-oss"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.hetmaaslands.nl/geschiedenis.html",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-1992-oss/"
  },
  {
   "id": "the-gondoliers-1992-schermerhorn",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "nieuw-leven-schermerhorn"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-1992-schermerhorn/"
  },
  {
   "id": "the-gondoliers-1992-tilburg",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "muzemento"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-1992-tilburg/"
  },
  {
   "id": "the-gondoliers-1992-wieringermeer",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-muziektheater-hollands-kroon"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-1992-wieringermeer/"
  },
  {
   "id": "the-mikado-1992-apeldoorn",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Pieter Goemans",
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheater-apeldoorn"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-1992-apeldoorn/"
  },
  {
   "id": "the-mikado-1992-den-haag",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Pieter Goemans",
   "category": "core",
   "status": "past",
   "organizations": [
    "hofstad-theaterkoor-den-haag"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-1992-den-haag/"
  },
  {
   "id": "the-mikado-1992-haarlem",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Pieter Goemans",
   "category": "core",
   "status": "past",
   "organizations": [
    "hulsbergen"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-1992-haarlem/"
  },
  {
   "id": "the-mikado-1992-tilburg",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
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   "category": "core",
   "status": "past",
   "organizations": [
    "muzemento"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-1992-tilburg/"
  },
  {
   "id": "trial-by-jury-1992-den-haag",
   "title": "Trial By Jury",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "mvo-operette-den-haag"
   ],
   "performances": [
    {
     "date": "1992",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-1992-den-haag/"
  },
  {
   "id": "der-bettelstudent-1992-eelde",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "ado-paterswolde"
   ],
   "performances": [
    {
     "date": "1992-02-14",
     "time": null,
     "place": "Jumbo-zaal, Luchthavenrestaurant, Eelde",
     "venue": null
    },
    {
     "date": "1992-02-15",
     "time": null,
     "place": "Jumbo-zaal, Luchthavenrestaurant, Eelde",
     "venue": null
    },
    {
     "date": "1992-02-21",
     "time": null,
     "place": "Jumbo-zaal, Luchthavenrestaurant, Eelde",
     "venue": null
    },
    {
     "date": "1992-02-22",
     "time": null,
     "place": "Jumbo-zaal, Luchthavenrestaurant, Eelde",
     "venue": null
    }
   ],
   "sources": [
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     "url": "http://resolver.kb.nl/resolve?urn=ddd:011019788:mpeg21:a0260:ocr",
     "date": "2026-08-05"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-1992-eelde/"
  },
  {
   "id": "die-fledermaus-1992-roermond",
   "title": "Die Fledermaus",
   "composer": "Johann Strauss jr.",
   "librettist": "Carl Haffner en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "orpheus-roermond"
   ],
   "performances": [
    {
     "date": "1992-03-28",
     "time": null,
     "place": "De Oranjerie, Roermond — de gerecenseerde zaterdagavondvoorstelling",
     "venue": null
    },
    {
     "date": "1992-03",
     "time": null,
     "place": "De Oranjerie, Roermond — uitverkocht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://resolver.kb.nl/resolve?urn=ddd:010637271:mpeg21:a0100:ocr",
     "date": "2026-08-06"
    },
    {
     "url": "https://resolver.kb.nl/resolve?urn=ddd:010637313:mpeg21:a0182:ocr",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-fledermaus-1992-roermond/"
  },
  {
   "id": "la-perichole-1992-amsterdam",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "1992-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-zoo-1993-amsterdam/"
  },
  {
   "id": "die-lustige-witwe-1993-amsterdam",
   "title": "Die lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "nov-amsterdam"
   ],
   "performances": [
    {
     "date": "1993-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-1993-amsterdam/"
  },
  {
   "id": "boccaccio-1994-schermerhorn",
   "title": "Boccaccio",
   "composer": "Franz von Suppé",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Arnold Alons",
   "category": "core",
   "status": "past",
   "organizations": [
    "nieuw-leven-schermerhorn"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-1994-schermerhorn/"
  },
  {
   "id": "de-lindenborg-1994-hoogezand",
   "title": "De Lindenbörg",
   "composer": "A. G. Bleeker",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "pro-burletta"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.proburletta.freeservers.com/about.html",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-lindenborg-1994-hoogezand/"
  },
  {
   "id": "de-mascotte-1994-wormerveer",
   "title": "De Mascotte",
   "composer": "Edmond Audran",
   "librettist": "Henri Chivot en Alfred Duru",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "zaanse-operette-vereniging"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://hdl.handle.net/21.12112/5C966AC6A8334082AEE54DCE76080F7C",
     "date": "2026-08-05"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-mascotte-1994-wormerveer/"
  },
  {
   "id": "de-zigeunerbaron-1994-alkmaar",
   "title": "De Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.odeonoperette.nl/historisch-overzicht/",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-zigeunerbaron-1994-alkmaar/"
  },
  {
   "id": "der-bettelstudent-1994-apeldoorn",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "apeldoornse-operette-vereniging"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-1994-apeldoorn/"
  },
  {
   "id": "der-bettelstudent-1994-oegstgeest",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-troubadours-oegstgeest"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.detroubadours.com/archief.php",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-1994-oegstgeest/"
  },
  {
   "id": "der-vogelhandler-1994-purmerend",
   "title": "Der Vogelhändler",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "mop-purmerend"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
    {
     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-1994-purmerend/"
  },
  {
   "id": "der-vogelhandler-1994-wieringermeer",
   "title": "Der Vogelhändler",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-muziektheater-hollands-kroon"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-1994-wieringermeer/"
  },
  {
   "id": "der-zigeunerbaron-1994-zwolle",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "zwols-muziektheater"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-1994-zwolle/"
  },
  {
   "id": "die-lustige-witwe-1994-hoofdstad",
   "title": "Die lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "hoofdstad-operette"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.jaap-dijkhuis-producties.nl/biografie/overzicht-van-vertolkte-zang-en-acteerrollen",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-1994-hoofdstad/"
  },
  {
   "id": "die-lustige-witwe-1994-noord-scharwoude",
   "title": "Die lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "caecilia-muziektheater-langedijk"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-1994-noord-scharwoude/"
  },
  {
   "id": "die-ungarische-hochzeit-1994-almelo",
   "title": "Die ungarische Hochzeit",
   "composer": "Nico Dostal",
   "librettist": "Hermann Hermecke",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheater-servus-almelo"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "Almelo",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.servus-almelo.nl/terugblik/",
     "date": "2026-08-09"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-ungarische-hochzeit-1994-almelo/"
  },
  {
   "id": "hms-pinafore-1994-oostzaan",
   "title": "H.M.S. Pinafore",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "John Lust",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/1990-1999/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/hms-pinafore-1994-oostzaan/"
  },
  {
   "id": "im-weissen-rossl-1994-eindhoven",
   "title": "Im Weissen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "zonnig-brabant-eindhoven"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.muziektheater-nederland.nl/eindhovens-operettegezelschap-zonnig-brabant/producties.htm",
     "date": "2026-08-07"
    },
    {
     "url": "http://www.muziektheater-nederland.nl/eindhovens-operettegezelschap-zonnig-brabant/geschiedenis.htm",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-1994-eindhoven/"
  },
  {
   "id": "l-ile-de-tulipatan-1994-den-haag",
   "title": "L'Île de Tulipatan",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Chivot en Alfred Duru",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "mvo-operette-den-haag"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/l-ile-de-tulipatan-1994-den-haag/"
  },
  {
   "id": "la-fille-de-madame-angot-1994-amstelveen",
   "title": "La Fille de Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "ova-musicals-amstelveen"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-1994-amstelveen/"
  },
  {
   "id": "la-fille-de-madame-angot-1994-heiloo",
   "title": "La fille de madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "heilooer-ov"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/1994-04-20/edition/null/page/1",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-1994-heiloo/"
  },
  {
   "id": "la-fille-du-tambour-major-1994-noordwijk",
   "title": "La fille de Tambour-majoor",
   "composer": "Jacques Offenbach",
   "librettist": "Alfred Duru en Henri Chivot",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-mozaiek"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://mozaiek-operette.nl/uitvoeringen.html",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-du-tambour-major-1994-noordwijk/"
  },
  {
   "id": "la-grande-duchesse-de-gerolstein-1994-apeldoorn",
   "title": "La Grande-Duchesse de Gérolstein",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheater-apeldoorn"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-grande-duchesse-de-gerolstein-1994-apeldoorn/"
  },
  {
   "id": "la-grande-duchesse-de-gerolstein-1994-den-haag",
   "title": "La Grande-Duchesse de Gérolstein",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "hofstad-theaterkoor-den-haag"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-grande-duchesse-de-gerolstein-1994-den-haag/"
  },
  {
   "id": "la-perichole-1994-maastricht",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "opera-comique-maastricht"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "Theater aan het Vrijthof, Maastricht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.yumpu.com/nl/document/view/20490606/the-gondoliers-opera-comique-maastricht",
     "date": "2026-08-14"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-1994-maastricht/"
  },
  {
   "id": "les-brigands-1994-dedemsvaart",
   "title": "Les Brigands",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheater-vakk"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-brigands-1994-dedemsvaart/"
  },
  {
   "id": "les-cloches-de-corneville-1994-amsterdam",
   "title": "Les Cloches de Corneville",
   "composer": "Robert Planquette",
   "librettist": "Louis Clairville en Charles Gabet",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "jonghe-haghesangers"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-cloches-de-corneville-1994-amsterdam/"
  },
  {
   "id": "orpheus-in-de-onderwereld-1994-emmeloord",
   "title": "Orpheus in de Onderwereld",
   "composer": "Jacques Offenbach",
   "librettist": "Hector Crémieux en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheatervereniging-la-mascotte"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.lamascotte.nl/gerealiseerde-producties-4/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.lamascotte.nl/home-4/new-page-3/",
     "date": "2026-08-02"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orpheus-in-de-onderwereld-1994-emmeloord/"
  },
  {
   "id": "prinses-ida-1994-kampen",
   "title": "Prinses Ida",
   "composer": "Arthur Sullivan",
   "librettist": null,
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "theaterkoor-caecilia-kampen"
   ],
   "performances": [
    {
     "date": "1994",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
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     "time": "20:00",
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     "venue": null
    }
   ],
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     "time": null,
     "place": "",
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   ],
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   "id": "der-zigeunerbaron-1995-odes",
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     "time": null,
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     "date": "1996",
     "time": null,
     "place": "",
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     "date": "1996",
     "time": null,
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     "date": "1996",
     "time": null,
     "place": "",
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     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
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   ],
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     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
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   ],
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     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
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     "date": "1996",
     "time": null,
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    {
     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
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     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
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   ],
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     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
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   "id": "ein-walzertraum-1996-hoogezand",
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     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   "id": "eine-nacht-in-venedig-1996-oostzaan",
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     "date": "1996",
     "time": null,
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     "venue": null
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   ],
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   "id": "la-fille-de-madame-angot-1996-apeldoorn",
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   "translation": "Joop Fransen",
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     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
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   "id": "la-fille-de-madame-angot-1996-purmerend",
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   "translation": null,
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   "status": "past",
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     "date": "1996",
     "time": null,
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   "id": "la-grande-duchesse-de-gerolstein-1996-amersfoort",
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     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
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   "translation": "Joop Fransen",
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     "date": "1996",
     "time": null,
     "place": "",
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     "date": "1996",
     "time": null,
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   ],
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   "translation": "Joop Fransen",
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   "status": "past",
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     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
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   "id": "la-vie-parisienne-1996-maastricht",
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   "translation": null,
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   "status": "past",
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   "performances": [
    {
     "date": "1996",
     "time": null,
     "place": "Theater aan het Vrijthof, Maastricht",
     "venue": null
    }
   ],
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   "url": "https://operetteinnederland.nl/productie/la-vie-parisienne-1996-maastricht/"
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   "id": "la-vie-parisienne-1996-middelburg",
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   "translation": "Joop Fransen",
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   "status": "past",
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     "date": "1996",
     "time": null,
     "place": "Middelburg",
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   ],
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  },
  {
   "id": "les-cloches-de-corneville-1996-wieringermeer",
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   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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     "date": "1996",
     "time": null,
     "place": "",
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    }
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   ],
   "url": "https://operetteinnederland.nl/productie/les-cloches-de-corneville-1996-wieringermeer/"
  },
  {
   "id": "orphee-aux-enfers-1996-breda",
   "title": "Orphée aux Enfers",
   "composer": "Jacques Offenbach",
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   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orphee-aux-enfers-1996-breda/"
  },
  {
   "id": "orphee-aux-enfers-1996-zeist",
   "title": "Orphée aux Enfers",
   "composer": "Jacques Offenbach",
   "librettist": "Hector Crémieux en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "poly-hymnia-zeist"
   ],
   "performances": [
    {
     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orphee-aux-enfers-1996-zeist/"
  },
  {
   "id": "orpheus-in-der-unterwelt-1996",
   "title": "Orpheus in der Unterwelt",
   "composer": "Jacques Offenbach",
   "librettist": "Hector Crémieux en Ludovic Halévy",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette"
   ],
   "performances": [
    {
     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orpheus-in-der-unterwelt-1996/"
  },
  {
   "id": "the-gondoliers-1996-opmeer",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "zang-en-vriendschap-opmeer"
   ],
   "performances": [
    {
     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-1996-opmeer/"
  },
  {
   "id": "the-mikado-1996-schermerhorn",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "nieuw-leven-schermerhorn"
   ],
   "performances": [
    {
     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-1996-schermerhorn/"
  },
  {
   "id": "viktoria-en-haar-huzaar-1996-1996-diemen",
   "title": "Viktoria en haar Huzaar",
   "composer": "Paul Ábrahám",
   "librettist": "Alfred Grünwald en Fritz Löhner-Beda",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "edog"
   ],
   "performances": [
    {
     "date": "1996",
     "time": null,
     "place": "Diemen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.edog.nl/archief/viktoria-en-haar-huzaar-1996/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/viktoria-en-haar-huzaar-1996-1996-diemen/"
  },
  {
   "id": "viktoria-und-ihr-husar-1996-hoofdstad",
   "title": "Viktoria und ihr Husar",
   "composer": "Paul Ábrahám",
   "librettist": "Alfred Grünwald en Fritz Löhner-Beda",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "hoofdstad-operette"
   ],
   "performances": [
    {
     "date": "1996",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.jaap-dijkhuis-producties.nl/biografie/overzicht-van-vertolkte-zang-en-acteerrollen",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/viktoria-und-ihr-husar-1996-hoofdstad/"
  },
  {
   "id": "the-mikado-1996-heiloo",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "heilooer-ov"
   ],
   "performances": [
    {
     "date": "1996-02-23",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "1996-02-24",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "1996-03-01",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "1996-03-02",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/1995-09-13/edition/null/page/10",
     "date": "2026-08-02"
    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/1996-01-31/edition/null/page/6",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-1996-heiloo/"
  },
  {
   "id": "el-barberillo-de-lavapies-1996-amsterdam",
   "title": "El Barberillo de Lavapiés",
   "composer": "Francisco Barbieri",
   "librettist": "Luis Mariano de Larra",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "1996-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/el-barberillo-de-lavapies-1996-amsterdam/"
  },
  {
   "id": "im-weissen-rossl-1996-haren",
   "title": "Im weissen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "harener-thalia"
   ],
   "performances": [
    {
     "date": "1996-03",
     "time": null,
     "place": "'t Gorechthuis, Haren",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://thaliaharen.nl/wp-content/uploads/2024/12/Thalia-60-jaar-juiste-versie.pdf",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-1996-haren/"
  },
  {
   "id": "friederike-1996-bijlmer",
   "title": "Friederike",
   "composer": "Franz Lehár",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "bijlmer-ov"
   ],
   "performances": [
    {
     "date": "1996-05-16",
     "time": "20:00",
     "place": "Cultureel Centrum, Amstelveen",
     "venue": null
    },
    {
     "date": "1996-05-17",
     "time": "20:00",
     "place": "Cultureel Centrum, Amstelveen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.jaap-dijkhuis-producties.nl/biografie/overzicht-van-vertolkte-zang-en-acteerrollen",
     "date": "2026-08-06"
    },
    {
     "url": "https://resolver.kb.nl/resolve?urn=KBPERS01:003143013:mpeg21:a00340:ocr",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/friederike-1996-bijlmer/"
  },
  {
   "id": "barbe-bleue-1996-amsterdam",
   "title": "Barbe-Bleu",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "1996-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/barbe-bleue-1996-amsterdam/"
  },
  {
   "id": "ba-ta-clan-1997-maastricht",
   "title": "Ba-ta-clan",
   "composer": "Jacques Offenbach",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "opera-comique-maastricht"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "La Bonbonnière, Maastricht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.yumpu.com/nl/document/view/20490606/the-gondoliers-opera-comique-maastricht",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/ba-ta-clan-1997-maastricht/"
  },
  {
   "id": "boccaccio-1997-almelo",
   "title": "Boccaccio",
   "composer": "Franz von Suppé",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheater-servus-almelo"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "Almelo",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.servus-almelo.nl/terugblik/",
     "date": "2026-08-09"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-1997-almelo/"
  },
  {
   "id": "der-bettelstudent-1997-oisterwijk",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "oisterwijkse-operettevereniging"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://beeldbankoisterwijk.nl/videos/operette-viktoria-und-ihr-husar-oisterwijk-1993/",
     "date": "2026-08-21"
    },
    {
     "url": "https://beeldbankoisterwijk.nl/videos/operette-der-bettelstudent-oisterwijk-1997/",
     "date": "2026-08-21"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-1997-oisterwijk/"
  },
  {
   "id": "der-zigeunerbaron-1997-amsterdam",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "jonghe-haghesangers"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-1997-amsterdam/"
  },
  {
   "id": "der-zigeunerbaron-1997-eindhoven",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "zonnig-brabant-eindhoven",
    "viva-la-musica-uden"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "vier voorstellingen: twee in de Stadsschouwburg Eindhoven, twee in Theater Markant Uden; exacte speeldata niet vermeld",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.muziektheater-nederland.nl/eindhovens-operettegezelschap-zonnig-brabant/producties.htm",
     "date": "2026-08-07"
    },
    {
     "url": "http://www.muziektheater-nederland.nl/eindhovens-operettegezelschap-zonnig-brabant/geschiedenis.htm",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-1997-eindhoven/"
  },
  {
   "id": "der-zigeunerbaron-1997-haarlem",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "hulsbergen"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-1997-haarlem/"
  },
  {
   "id": "der-zigeunerbaron-1997-olst",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "toneelvereniging-herman-heijermans-olst"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "openluchtspel, Olst",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://heijermanstoneelolst.nl/over-ons",
     "date": "2026-08-21"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-1997-olst/"
  },
  {
   "id": "die-fledermaus-1997-hoofdstad",
   "title": "Die Fledermaus",
   "composer": "Johann Strauss jr.",
   "librettist": "Carl Haffner en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "hoofdstad-operette"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.jaap-dijkhuis-producties.nl/biografie/overzicht-van-vertolkte-zang-en-acteerrollen",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-fledermaus-1997-hoofdstad/"
  },
  {
   "id": "die-lustige-witwe-1997-alkmaar",
   "title": "Die lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.odeonoperette.nl/historisch-overzicht/",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-1997-alkmaar/"
  },
  {
   "id": "im-weissen-rossl-1997",
   "title": "Im Weissen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-1997/"
  },
  {
   "id": "im-weissen-rossl-1997-oegstgeest",
   "title": "Im Weissen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-troubadours-oegstgeest"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.detroubadours.com/archief.php",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-1997-oegstgeest/"
  },
  {
   "id": "im-weissen-rossl-1997-warffum",
   "title": "Im weissen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "omlandia-warffum"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.muziektheater-nederland.nl/omlandia-warffum/1997___im_weissen_rossl.htm",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-1997-warffum/"
  },
  {
   "id": "la-belle-helene-1997-noordwijk",
   "title": "La belle Hélène",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-mozaiek"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://mozaiek-operette.nl/uitvoeringen.html",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-belle-helene-1997-noordwijk/"
  },
  {
   "id": "la-fille-de-madame-angot-1997-opmeer",
   "title": "La Fille de Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "zang-en-vriendschap-opmeer"
   ],
   "performances": [
    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-1997-opmeer/"
  },
  {
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   "composer": "Charles Lecocq",
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   "translation": "Joop Fransen",
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     "time": null,
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     "venue": null
    }
   ],
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   ],
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  },
  {
   "id": "la-vie-parisienne-1997-emmeloord",
   "title": "La Vie Parisienne",
   "composer": "Jacques Offenbach",
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   "translation": "Joop Fransen",
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    {
     "date": "1997",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    }
   ],
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    },
    {
     "url": "https://www.lamascotte.nl/home-4/new-page-3/",
     "date": "2026-08-02"
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    {
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   ],
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  },
  {
   "id": "la-vie-parisienne-1997-oostzaan",
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    {
     "date": "1997",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
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   ],
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  {
   "id": "la-vie-parisienne-1997-wormerveer",
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   "translation": "Joop Fransen",
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     "time": null,
     "place": "",
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  {
   "id": "orphee-aux-enfers-1997-rotterdam",
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   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
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     "date": "1997",
     "time": null,
     "place": "",
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  {
   "id": "orphee-aux-enfers-1997-wieringermeer",
   "title": "Orphée aux Enfers",
   "composer": "Jacques Offenbach",
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   "translation": "Joop Fransen",
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    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
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   ],
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   "id": "orpheus-in-de-onderwereld-1997-weert",
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   "music_credit": null,
   "translation": null,
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     "date": "1997",
     "time": null,
     "place": "sporthal (niet nader genoemd)",
     "venue": null
    }
   ],
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     "url": "https://www.wokmuziektheater.nl/producties/orpheus-in-de-onderwereld-1997/",
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    }
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  {
   "id": "paganini-1997-bijlmer",
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     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
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   ],
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  },
  {
   "id": "schwarzwaldmadel-1997-purmerend",
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     "date": "1997",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
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   ],
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  {
   "id": "the-gondoliers-1997-krommenie",
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    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
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  {
   "id": "the-gondoliers-1997-leeuwarden",
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    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
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     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
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  {
   "id": "the-mikado-1997-dordrecht",
   "title": "The Mikado",
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    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
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  },
  {
   "id": "the-mikado-1997-hoorn",
   "title": "The Mikado",
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   "organizations": [
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    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   "url": "https://operetteinnederland.nl/productie/the-mikado-1997-hoorn/"
  },
  {
   "id": "the-mikado-1997-winkel",
   "title": "The Mikado",
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   "librettist": "W. S. Gilbert",
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   "status": "past",
   "organizations": [
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    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   "url": "https://operetteinnederland.nl/productie/the-mikado-1997-winkel/"
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  {
   "id": "the-mikado-1997-zaandam",
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   "organizations": [
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   ],
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    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   "url": "https://operetteinnederland.nl/productie/the-mikado-1997-zaandam/"
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  {
   "id": "the-mikado-1997-zutphen",
   "title": "The Mikado",
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   "librettist": "W. S. Gilbert",
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   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
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    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
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   "url": "https://operetteinnederland.nl/productie/the-mikado-1997-zutphen/"
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  {
   "id": "the-pirates-of-penzance-1997-apeldoorn",
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   "translation": "Gerard Knoppers",
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   "status": "past",
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     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
    }
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   "url": "https://operetteinnederland.nl/productie/the-pirates-of-penzance-1997-apeldoorn/"
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   "id": "the-sorcerer-1997-amsterdam",
   "title": "The Sorcerer",
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   "organizations": [
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    {
     "date": "1997",
     "time": null,
     "place": "",
     "venue": null
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   "url": "https://operetteinnederland.nl/productie/the-sorcerer-1997-amsterdam/"
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   "id": "la-belle-helene-1997-heiloo",
   "title": "La belle Hélène",
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   "music_credit": null,
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     "date": "1997-02-21",
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    {
     "date": "1997-02-22",
     "time": null,
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    {
     "date": "1997-02-28",
     "time": null,
     "place": "Theater De Beun, Heiloo",
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    },
    {
     "date": "1997-03-01",
     "time": null,
     "place": "Theater De Beun, Heiloo",
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     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/1997-01-29/edition/null/page/8",
     "date": "2026-08-02"
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   "id": "die-csardasfurstin-1997-amstelveen",
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     "date": "1997-03-08",
     "time": null,
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     "venue": null
    },
    {
     "date": "1997-03-09",
     "time": null,
     "place": "Cultureel Centrum, Amstelveen; zondagmatinee 14.00",
     "venue": null
    }
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   "id": "les-saltimbanques-1997-1997-diemen",
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   "translation": null,
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     "date": "1997-03-14",
     "time": null,
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     "venue": null
    },
    {
     "date": "1997-03-15",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    }
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     "url": "https://www.edog.nl/archief/les-saltimbanques-1997/",
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   "url": "https://operetteinnederland.nl/productie/les-saltimbanques-1997-1997-diemen/"
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   "translation": null,
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     "date": "1997-09-27",
     "time": "20:15",
     "place": "Nederlands Congresgebouw, Den Haag (zaterdag)",
     "venue": null
    },
    {
     "date": "1997-09-28",
     "time": "14:00",
     "place": "Nederlands Congresgebouw, Den Haag (zondagmatinee)",
     "venue": null
    }
   ],
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     "date": "2026-08-14"
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   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-1997-odes/"
  },
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   "id": "eine-nacht-in-venedig-1997-amsterdam",
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   "status": "past",
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    "thalia-amsterdam"
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   "performances": [
    {
     "date": "1997-10",
     "time": null,
     "place": "",
     "venue": null
    }
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     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-1997-amsterdam/"
  },
  {
   "id": "der-zigeunerbaron-1997-tilburg",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "muzemento"
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   "performances": [
    {
     "date": "1997-10-17",
     "time": "20:00",
     "place": "Schouwburg, Tilburg",
     "venue": null
    },
    {
     "date": "1997-10-18",
     "time": "20:00",
     "place": "Schouwburg, Tilburg",
     "venue": null
    }
   ],
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     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-1997-tilburg/"
  },
  {
   "id": "het-meisje-en-de-zeematroos-1997-kampen",
   "title": "Het Meisje en de Zeematroos",
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     "place": "",
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    },
    {
     "date": "1997-11-15",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "1997-11-21",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "1997-11-22",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://theaterkoorcaecilia.nl/wp-content/uploads/2025/11/1997-Het-Meisje-en-de-Zeematroos-scaled.png",
     "date": "2026-08-18"
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   ],
   "url": "https://operetteinnederland.nl/productie/het-meisje-en-de-zeematroos-1997-kampen/"
  },
  {
   "id": "barbe-bleue-1998-opmeer",
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   "translation": "Gerard Knoppers",
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   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
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  },
  {
   "id": "boccaccio-1998",
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   "music_credit": null,
   "translation": null,
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   "organizations": [
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   ],
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    {
     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-08-06"
    }
   ],
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  },
  {
   "id": "boccaccio-1998-wieringermeer",
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   ],
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    {
     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-1998-wieringermeer/"
  },
  {
   "id": "boccaccio-1998-zaandam",
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   ],
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    {
     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   ],
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  },
  {
   "id": "das-land-des-lachelns-1998-hoofdstad",
   "title": "Das Land des Lächelns",
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   "librettist": "Ludwig Herzer en Fritz Löhner-Beda",
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   "status": "past",
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   ],
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    {
     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-07"
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   ],
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  },
  {
   "id": "de-dragonders-van-villars-1998-alkmaar",
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   "music_credit": null,
   "translation": null,
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   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://www.odeonoperette.nl/historisch-overzicht/",
     "date": "2026-08-13"
    }
   ],
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  },
  {
   "id": "de-mikado-1998-emmeloord",
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   "status": "past",
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   ],
   "performances": [
    {
     "date": "1998",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    }
   ],
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    {
     "url": "https://www.lamascotte.nl/gerealiseerde-producties-4/",
     "date": "2026-08-02"
    },
    {
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     "date": "2026-08-02"
    }
   ],
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  },
  {
   "id": "der-bettelstudent-1998-hoogezand",
   "title": "Der Bettelstudent",
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   "music_credit": null,
   "translation": null,
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   "organizations": [
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    {
     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-06"
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   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-1998-hoogezand/"
  },
  {
   "id": "der-vogelhandler-1998-noordwijk",
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   "composer": "Carl Zeller",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "http://mozaiek-operette.nl/uitvoeringen.html",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-1998-noordwijk/"
  },
  {
   "id": "die-fledermaus-1998-noord-scharwoude",
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   "translation": "Henk Milo",
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   "status": "past",
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   ],
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    {
     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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  },
  {
   "id": "die-fledermaus-1998-rotterdam",
   "title": "Die Fledermaus",
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   "translation": null,
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   ],
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    {
     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-07"
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   ],
   "url": "https://operetteinnederland.nl/productie/die-fledermaus-1998-rotterdam/"
  },
  {
   "id": "die-lustige-witwe-1998-utrecht",
   "title": "Die lustige Witwe",
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   "librettist": "Victor Léon en Leo Stein",
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   "status": "past",
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    {
     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-1998-utrecht/"
  },
  {
   "id": "die-schone-galathee-1998-hoofdstad",
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   "composer": "Franz von Suppé",
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   "music_credit": null,
   "translation": null,
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     "date": "1998",
     "time": null,
     "place": "",
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    }
   ],
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  },
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   "id": "grafin-mariza-1998-nijmegen",
   "title": "Gräfin Mariza",
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     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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  },
  {
   "id": "im-weissen-rossl-1998-roermond",
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     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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  },
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   "id": "la-vie-parisienne-1998-almere",
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   "status": "cancelled",
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     "date": "1998",
     "time": null,
     "place": "",
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     "date": "1998",
     "time": null,
     "place": "",
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    }
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   ],
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   "id": "les-dragons-de-villars-1998-purmerend",
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     "date": "1998",
     "time": null,
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   "url": "https://operetteinnederland.nl/productie/les-dragons-de-villars-1998-purmerend/"
  },
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   "id": "orpheus-in-de-onderwereld-1998-kampen",
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     "date": "1998",
     "time": null,
     "place": "",
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    }
   ],
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  },
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   "librettist": "boek Otto Harbach, Oscar Hammerstein II en Frank Mandel, liedteksten Otto Harbach en Oscar Hammerstein II",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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     "date": "1998",
     "time": null,
     "place": "",
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    }
   ],
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     "url": "https://hdl.handle.net/21.12112/9EA72F8BEEE645989ED37A6F1D47EEBC",
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   ],
   "url": "https://operetteinnederland.nl/productie/the-desert-song-1998-wormerveer/"
  },
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   "status": "past",
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     "date": "1998",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
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     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/1990-1999/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-1998-oostzaan/"
  },
  {
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   "translation": "Gerard Knoppers",
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   "status": "past",
   "organizations": [
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   ],
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     "date": "1998",
     "time": null,
     "place": "",
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    }
   ],
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   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-1998-almere/"
  },
  {
   "id": "the-zoo-1998-amsterdam",
   "title": "The Zoo",
   "composer": "Arthur Sullivan",
   "librettist": "B.C. Stephenson",
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   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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     "date": "1998",
     "time": null,
     "place": "",
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    }
   ],
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   ],
   "url": "https://operetteinnederland.nl/productie/the-zoo-1998-amsterdam/"
  },
  {
   "id": "trial-by-jury-1998-den-haag",
   "title": "Trial By Jury",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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     "date": "1998",
     "time": null,
     "place": "",
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    }
   ],
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    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-1998-den-haag/"
  },
  {
   "id": "viktoria-und-ihr-husar-1998-oegstgeest",
   "title": "Viktoria und ihr Husar",
   "composer": "Paul Ábrahám",
   "librettist": "Alfred Grünwald en Fritz Löhner-Beda",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-troubadours-oegstgeest"
   ],
   "performances": [
    {
     "date": "1998",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.detroubadours.com/archief.php",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/viktoria-und-ihr-husar-1998-oegstgeest/"
  },
  {
   "id": "hms-pinafore-1998-heiloo",
   "title": "H.M.S. Pinafore",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "heilooer-ov"
   ],
   "performances": [
    {
     "date": "1998-02-20",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "1998-02-21",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "1998-02-27",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "1998-02-28",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "1998-03-01",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/1998-01-28/edition/null/page/10",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/hms-pinafore-1998-heiloo/"
  },
  {
   "id": "de-vogelkoopman-1998-1998-diemen",
   "title": "De Vogelkoopman",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "edog"
   ],
   "performances": [
    {
     "date": "1998-03-13",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    },
    {
     "date": "1998-03-14",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.edog.nl/archief/de-vogelkoopman-1998/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-vogelkoopman-1998-1998-diemen/"
  },
  {
   "id": "die-lustige-witwe-1998-bijlmer",
   "title": "Die Lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "bijlmer-ov"
   ],
   "performances": [
    {
     "date": "1998-05-23",
     "time": "20:00",
     "place": "Schouwburg Amstelveen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.jaap-dijkhuis-producties.nl/biografie/overzicht-van-vertolkte-zang-en-acteerrollen",
     "date": "2026-08-06"
    },
    {
     "url": "https://resolver.kb.nl/resolve?urn=KBPERS01:003153017:mpeg21:a00208:ocr",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-1998-bijlmer/"
  },
  {
   "id": "orphee-aux-enfers-1998-amsterdam",
   "title": "Orphée aux Enfers",
   "composer": "Jacques Offenbach",
   "librettist": "Hector Crémieux en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "1998-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orphee-aux-enfers-1998-amsterdam/"
  },
  {
   "id": "najaarsconcert-1998-maassluis",
   "title": "Najaarsconcert met Rozenburgs Mannenkoor",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "rozenburgs-operettekoor"
   ],
   "performances": [
    {
     "date": "1998-10-30",
     "time": "20:00",
     "place": "Immanuelkerk, Maassluis",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.digibron.nl/viewer/collectie/Digibron/id/Eilanden-Nieuws_19981023_005_ART_S008_CID001",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/najaarsconcert-1998-maassluis/"
  },
  {
   "id": "barbe-bleue-1999-krommenie",
   "title": "Barbe-Bleue",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "krommenieer-ov"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/barbe-bleue-1999-krommenie/"
  },
  {
   "id": "blauwbaard-1999-warffum",
   "title": "Blauwbaard",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "omlandia-warffum"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.muziektheater-nederland.nl/omlandia-warffum/1999___blauwbaard.htm",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/blauwbaard-1999-warffum/"
  },
  {
   "id": "boccaccio-1999-oostzaan",
   "title": "Boccaccio",
   "composer": "Franz von Suppé",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/1990-1999/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-1999-oostzaan/"
  },
  {
   "id": "de-gondeliers-1999-alkmaar",
   "title": "De Gondeliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.odeonoperette.nl/historisch-overzicht/",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-gondeliers-1999-alkmaar/"
  },
  {
   "id": "de-gondeliers-1999-noordwijk",
   "title": "De gondeliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-mozaiek"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://mozaiek-operette.nl/uitvoeringen.html",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-gondeliers-1999-noordwijk/"
  },
  {
   "id": "de-vrolijke-weduwe-1999-kampen",
   "title": "De Vrolijke Weduwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "theaterkoor-caecilia-kampen"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterkoorcaecilia.nl/producties/",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-vrolijke-weduwe-1999-kampen/"
  },
  {
   "id": "der-bettelstudent-1999-roermond",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "orpheus-roermond"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://vincent-mooren.com/index.php/vitae",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-1999-roermond/"
  },
  {
   "id": "der-bettelstudent-1999-zaandam",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "czaar-peter"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-1999-zaandam/"
  },
  {
   "id": "der-vogelhandler-1999-almere",
   "title": "Der Vogelhändler",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "omva-almere"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-1999-almere/"
  },
  {
   "id": "die-csardasfurstin-1999",
   "title": "Die Csárdásfürstin",
   "composer": "Emmerich Kálmán",
   "librettist": "Leo Stein en Béla Jenbach",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-csardasfurstin-1999/"
  },
  {
   "id": "die-csardasfurstin-1999-rosmalen",
   "title": "Die Csárdásfürstin",
   "composer": "Emmerich Kálmán",
   "librettist": "Leo Stein en Béla Jenbach",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-rosmalen"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "Rosmalen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://operetterosmalen.nl/die-csardasfurstin-1999/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-csardasfurstin-1999-rosmalen/"
  },
  {
   "id": "die-schone-helena-1999-eindhoven",
   "title": "Die schöne Helena",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "zonnig-brabant-eindhoven"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "vier voorstellingen: twee in de Stadsschouwburg Eindhoven, één in 't Speelhuis Helmond, één in De Schalm Veldhoven; exacte speeldata niet vermeld",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.muziektheater-nederland.nl/eindhovens-operettegezelschap-zonnig-brabant/producties.htm",
     "date": "2026-08-07"
    },
    {
     "url": "http://www.muziektheater-nederland.nl/eindhovens-operettegezelschap-zonnig-brabant/geschiedenis.htm",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-schone-helena-1999-eindhoven/"
  },
  {
   "id": "eine-nacht-in-venedig-1999-hoofdstad",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "hoofdstad-operette"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.jaap-dijkhuis-producties.nl/biografie/overzicht-van-vertolkte-zang-en-acteerrollen",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-1999-hoofdstad/"
  },
  {
   "id": "eine-nacht-in-venedig-1999-nijmegen",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nijmeegs-opera-operette-gezelschap"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.muziektheater-nederland.nl/nijmeegs-opera-operette-gezelschap/historie.htm",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-1999-nijmegen/"
  },
  {
   "id": "frau-luna-1999-bijlmer",
   "title": "Frau Luna",
   "composer": "Paul Lincke",
   "librettist": "Heinrich Bolten-Baeckers",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "bijlmer-ov"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.jaap-dijkhuis-producties.nl/biografie/overzicht-van-vertolkte-zang-en-acteerrollen",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/frau-luna-1999-bijlmer/"
  },
  {
   "id": "grafin-mariza-1999-oisterwijk",
   "title": "Gräfin Mariza",
   "composer": "Emmerich Kálmán",
   "librettist": "Julius Brammer en Alfred Grünwald",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "oisterwijkse-operettevereniging"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://beeldbankoisterwijk.nl/videos/operette-viktoria-und-ihr-husar-oisterwijk-1993/",
     "date": "2026-08-21"
    },
    {
     "url": "https://beeldbankoisterwijk.nl/videos/grafin-mariza/",
     "date": "2026-08-21"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/grafin-mariza-1999-oisterwijk/"
  },
  {
   "id": "la-belle-helene-1999-utrecht",
   "title": "La Belle Hélène",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "grinzing-utrecht"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-belle-helene-1999-utrecht/"
  },
  {
   "id": "la-fille-du-tambour-major-1999-noord-scharwoude",
   "title": "La Fille du Tambour-Major",
   "composer": "Jacques Offenbach",
   "librettist": "Alfred Duru en Henri Chivot",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "caecilia-muziektheater-langedijk"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-du-tambour-major-1999-noord-scharwoude/"
  },
  {
   "id": "la-vie-parisienne-1999-alkmaar-scala",
   "title": "La Vie Parisienne",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheater-gezelschap-scala"
   ],
   "performances": [
    {
     "date": "1999",
     "time": null,
     "place": "Alkmaar",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://catalogus.boekman.nl/pub/JS/PR01-1998.pdf",
     "date": "2026-08-21"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
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     "date": "2000",
     "time": null,
     "place": "",
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     "time": null,
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     "url": "http://www.muziektheater-nederland.nl/nijmeegs-opera-operette-gezelschap/historie.htm",
     "date": "2026-08-07"
    }
   ],
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   "music_credit": null,
   "translation": null,
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   ],
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    {
     "date": "2000",
     "time": null,
     "place": "",
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    }
   ],
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    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2000/"
  },
  {
   "id": "der-zigeunerbaron-2000-oegstgeest",
   "title": "Der Zigeunerbaron",
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   "music_credit": null,
   "translation": null,
   "category": "core",
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   ],
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    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://www.detroubadours.com/archief.php",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2000-oegstgeest/"
  },
  {
   "id": "der-zigeunerbaron-2000-opmeer",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
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   ],
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    {
     "date": "2000",
     "time": null,
     "place": "",
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    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2000-opmeer/"
  },
  {
   "id": "der-zigeunerbaron-2000-zaandam",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
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   "status": "past",
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   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "Zaandam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.zaanwiki.nl/encyclopedie/doku.php?id=opera",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2000-zaandam/"
  },
  {
   "id": "die-lustige-witwe-2000-rotterdam",
   "title": "Die lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
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   "translation": "Joop Fransen",
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   "status": "past",
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   ],
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    {
     "date": "2000",
     "time": null,
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   ],
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-2000-rotterdam/"
  },
  {
   "id": "die-zirkusprinzessin-2000-stadskanaal",
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   "composer": "Emmerich Kálmán",
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   "translation": null,
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   ],
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    {
     "date": "2000",
     "time": null,
     "place": "",
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    }
   ],
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     "url": "https://www.youtube.com/watch?v=Q6cG4UE6Mr0",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-zirkusprinzessin-2000-stadskanaal/"
  },
  {
   "id": "eine-nacht-in-venedig-2000-leiden",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
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   "music_credit": null,
   "translation": "Joop Fransen",
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   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2000-leiden/"
  },
  {
   "id": "frau-luna-2000-haren",
   "title": "Frau Luna",
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   "librettist": "Heinrich Bolten-Baeckers",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "'t Gorechthuis, Haren",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://thaliaharen.nl/wp-content/uploads/2024/12/Thalia-60-jaar-juiste-versie.pdf",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/frau-luna-2000-haren/"
  },
  {
   "id": "geisha-2000-kampen",
   "title": "Geisha",
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   "translation": null,
   "category": "core",
   "status": "past",
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   ],
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    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/geisha-2000-kampen/"
  },
  {
   "id": "het-medaillon-2000-purmerend",
   "title": "Het Medaillon",
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   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
    {
     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.rodi.nl/regio/purmerend/nieuws/105119/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/het-medaillon-2000-purmerend/"
  },
  {
   "id": "hoogtepunten-uit-operettes-en-musicals-2000-alkmaar",
   "title": "Hoogtepunten uit Operette's en Musicals",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
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   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.odeonoperette.nl/historisch-overzicht/",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/hoogtepunten-uit-operettes-en-musicals-2000-alkmaar/"
  },
  {
   "id": "iolanthe-2000-amstelveen",
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   "composer": "Arthur Sullivan",
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   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "ova-musicals-amstelveen"
   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/iolanthe-2000-amstelveen/"
  },
  {
   "id": "l-ile-de-tulipatan-2000-dalfsen",
   "title": "L'Île de Tulipatan",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Chivot en Alfred Duru",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/l-ile-de-tulipatan-2000-dalfsen/"
  },
  {
   "id": "l-ile-de-tulipatan-2000-emmeloord",
   "title": "L'île de Tulipatan",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Chivot en Alfred Duru",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.lamascotte.nl/gerealiseerde-producties-4/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.lamascotte.nl/home-4/new-page-3/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/l-ile-de-tulipatan-2000-emmeloord/"
  },
  {
   "id": "la-belle-helene-2000-apeldoorn",
   "title": "La Belle Hélène",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-belle-helene-2000-apeldoorn/"
  },
  {
   "id": "la-perichole-2000-oostzaan",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2000-2009/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2000-oostzaan/"
  },
  {
   "id": "la-perichole-2000-winterswijk",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2000-winterswijk/"
  },
  {
   "id": "la-vie-parisienne-2000-wieringermeer",
   "title": "La Vie Parisienne",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-vie-parisienne-2000-wieringermeer/"
  },
  {
   "id": "la-vie-parisienne-2000-zeist",
   "title": "La Vie Parisienne",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "poly-hymnia-zeist"
   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-vie-parisienne-2000-zeist/"
  },
  {
   "id": "les-contes-d-hoffmann-2000-noord-scharwoude",
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   "composer": "Jacques Offenbach",
   "librettist": "Jules Barbier",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "caecilia-muziektheater-langedijk"
   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-contes-d-hoffmann-2000-noord-scharwoude/"
  },
  {
   "id": "the-gondoliers-2000-winschoten",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "cancelled",
   "organizations": [
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   ],
   "performances": [],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-2000-winschoten/"
  },
  {
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   "librettist": "W. S. Gilbert",
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   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "mvo-operette-den-haag"
   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-2000-den-haag/"
  },
  {
   "id": "the-pirates-of-penzance-2000-utrecht",
   "title": "The Pirates of Penzance",
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   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "klein-operakoor-wilhelminapark"
   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "Stadsschouwburg Utrecht",
     "venue": "stadsschouwburg-utrecht"
    }
   ],
   "sources": [
    {
     "url": "https://www.kleinoperakoor.nl/thepiratesofpenzance",
     "date": "2026-08-18"
    },
    {
     "url": "https://web.archive.org/web/2019id_/https://kleinoperakoor.nl/index.php?Pag=20&Sub=2000pirates",
     "date": "2026-08-18"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-pirates-of-penzance-2000-utrecht/"
  },
  {
   "id": "the-zoo-2000-dalfsen",
   "title": "The Zoo",
   "composer": "Arthur Sullivan",
   "librettist": "B.C. Stephenson",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-vechtstreek-dalfsen"
   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-zoo-2000-dalfsen/"
  },
  {
   "id": "viktoria-und-ihr-husar-2000-bijlmer",
   "title": "Viktoria und ihr Husar",
   "composer": "Paul Ábrahám",
   "librettist": "Alfred Grünwald en Fritz Löhner-Beda",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "bijlmer-ov"
   ],
   "performances": [
    {
     "date": "2000",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.jaap-dijkhuis-producties.nl/biografie/overzicht-van-vertolkte-zang-en-acteerrollen",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/viktoria-und-ihr-husar-2000-bijlmer/"
  },
  {
   "id": "marion-2000-kampen",
   "title": "Jubileumconcert (75 jaar)",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "theaterkoor-caecilia-kampen"
   ],
   "performances": [
    {
     "date": "2000-01-14",
     "time": "20:00",
     "place": "RK Buitenkerk, Kampen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterkoorcaecilia.nl/producties/",
     "date": "2026-08-07"
    },
    {
     "url": "https://theaterkoorcaecilia.nl/wp-content/uploads/2025/11/2000-75-jubileum-scaled.png",
     "date": "2026-08-18"
    },
    {
     "url": "https://www.muziekarchiefkampen.nl/christiaan-hengeveld-1880-persoonspagina/",
     "date": "2026-08-18"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/marion-2000-kampen/"
  },
  {
   "id": "blauwbaard-2000-heiloo",
   "title": "Blauwbaard",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "heilooer-ov"
   ],
   "performances": [
    {
     "date": "2000-02-11",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2000-02-12",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2000-02-18",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2000-02-19",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2000-01-19/edition/null/page/1",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/blauwbaard-2000-heiloo/"
  },
  {
   "id": "lile-de-tulipatan-2000-amsterdam",
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   "librettist": "Henri Chivot en Alfred Duru",
   "music_credit": null,
   "translation": "Joop Fransen",
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   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2000-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
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     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/lile-de-tulipatan-2000-amsterdam/"
  },
  {
   "id": "la-fille-de-madame-angot-2000-2000-diemen",
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   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
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   "translation": "Joop Fransen",
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   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "2000-03-17",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    },
    {
     "date": "2000-03-18",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    }
   ],
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     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-2000-2000-diemen/"
  },
  {
   "id": "die-verkaufte-braut-2000-amstelveen",
   "title": "De verkochte bruid",
   "composer": "Bedrich Smetana",
   "librettist": null,
   "music_credit": null,
   "translation": null,
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    {
     "date": "2000-03-18",
     "time": null,
     "place": "Schouwburg Amstelveen; zaterdag 20.00",
     "venue": null
    },
    {
     "date": "2000-03-19",
     "time": null,
     "place": "Schouwburg Amstelveen; zondagmatinee 14.00",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://resolver.kb.nl/resolve?urn=KBPERS01:003169014:mpeg21:a00333:ocr",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-verkaufte-braut-2000-amstelveen/"
  },
  {
   "id": "hoffmanns-vertellingen-2000-amsterdam",
   "title": "Hoffmanns Vertellingen",
   "composer": "Jacques Offenbach",
   "librettist": "Jules Barbier",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2000-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
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     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/hoffmanns-vertellingen-2000-amsterdam/"
  },
  {
   "id": "der-bettelstudent-2000-hulsbergen",
   "title": "Der Bettelstudent",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "hulsbergen"
   ],
   "performances": [
    {
     "date": "2000-11-17",
     "time": "19:45",
     "place": "Stadsschouwburg Haarlem",
     "venue": "stadsschouwburg-haarlem"
    },
    {
     "date": "2000-11-18",
     "time": "19:45",
     "place": "Stadsschouwburg Haarlem",
     "venue": "stadsschouwburg-haarlem"
    },
    {
     "date": "2000-11-19",
     "time": "14:00",
     "place": "Stadsschouwburg Haarlem",
     "venue": "stadsschouwburg-haarlem"
    }
   ],
   "sources": [
    {
     "url": "http://resolver.kb.nl/resolve?urn=KBPERS01:003230014:mpeg21:a00314:ocr",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-2000-hulsbergen/"
  },
  {
   "id": "barbe-bleue-2001-zwaag",
   "title": "Barbe-Bleue",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "musicalvereniging-zwaag"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/barbe-bleue-2001-zwaag/"
  },
  {
   "id": "boccaccio-2001-eindhoven",
   "title": "Boccaccio",
   "composer": "Franz von Suppé",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "zonnig-brabant-eindhoven"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.muziektheater-nederland.nl/eindhovens-operettegezelschap-zonnig-brabant/producties.htm",
     "date": "2026-08-07"
    },
    {
     "url": "http://www.muziektheater-nederland.nl/eindhovens-operettegezelschap-zonnig-brabant/geschiedenis.htm",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-2001-eindhoven/"
  },
  {
   "id": "de-klokken-van-corneville-2001-mijdrecht",
   "title": "De Klokken van Corneville",
   "composer": "Robert Planquette",
   "librettist": "Louis Clairville en Charles Gabet",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "rom-koor-mijdrecht"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://rom-koor.weebly.com/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-klokken-van-corneville-2001-mijdrecht/"
  },
  {
   "id": "de-neef-uit-batavia-2001-bijlmer",
   "title": "De neef uit Batavia",
   "composer": "Eduard Künneke",
   "librettist": "Hermann Haller en Rideamus",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "bijlmer-ov"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://www.jaap-dijkhuis-producties.nl/biografie/overzicht-van-vertolkte-zang-en-acteerrollen",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-neef-uit-batavia-2001-bijlmer/"
  },
  {
   "id": "de-piraten-van-penzance-2001-kampen",
   "title": "De Piraten van Penzance",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
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   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "theaterkoor-caecilia-kampen"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterkoorcaecilia.nl/producties/",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-piraten-van-penzance-2001-kampen/"
  },
  {
   "id": "de-vogelkoopman-2001-alkmaar",
   "title": "De Vogelkoopman",
   "composer": "Carl Zeller",
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   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://www.odeonoperette.nl/historisch-overzicht/",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-vogelkoopman-2001-alkmaar/"
  },
  {
   "id": "de-zigeunerbaron-2001-warffum",
   "title": "De Zigeunerbaron",
   "composer": "Johann Strauss jr.",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "omlandia-warffum"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "http://www.muziektheater-nederland.nl/omlandia-warffum/2001___de_zigeunerbaron.htm",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-zigeunerbaron-2001-warffum/"
  },
  {
   "id": "der-bettelstudent-2001-rotterdam",
   "title": "Der Bettelstudent",
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   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rotterdams-opera-operette-gezelschap"
   ],
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    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "http://www.muziektheater-nederland.nl/rotterdams-opera-operette-gezelschap/onze_vereniging.htm",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-2001-rotterdam/"
  },
  {
   "id": "der-vogelhandler-2001-zoetermeer",
   "title": "Der Vogelhändler",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": null,
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   "status": "past",
   "organizations": [
    "cantiamo-zoetermeer"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://www.jaap-dijkhuis-producties.nl/biografie/overzicht-van-vertolkte-zang-en-acteerrollen",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2001-zoetermeer/"
  },
  {
   "id": "der-wildschutz-2001-almelo",
   "title": "Der Wildschütz",
   "composer": "Albert Lortzing",
   "librettist": "Albert Lortzing",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheater-servus-almelo"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "Almelo",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.servus-almelo.nl/terugblik/",
     "date": "2026-08-09"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-wildschutz-2001-almelo/"
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  {
   "id": "der-zigeunerbaron-2001-leiden",
   "title": "Der Zigeunerbaron",
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   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "crescendo-leiden"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2001-leiden/"
  },
  {
   "id": "der-zigeunerbaron-2001-purmerend",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
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     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2001-purmerend/"
  },
  {
   "id": "die-lustige-witwe-2001-hoorn",
   "title": "Die lustige Witwe",
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   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "hoornse-ov"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-2001-hoorn/"
  },
  {
   "id": "die-lustige-witwe-2001-nijmegen",
   "title": "Die lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nijmeegs-opera-operette-gezelschap"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "http://www.muziektheater-nederland.nl/nijmeegs-opera-operette-gezelschap/historie.htm",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-2001-nijmegen/"
  },
  {
   "id": "die-lustige-witwe-2001-zeist",
   "title": "Die lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "poly-hymnia-zeist"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-2001-zeist/"
  },
  {
   "id": "im-weissen-rossl-2001-noordwijk",
   "title": "Im Weissen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-mozaiek"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://mozaiek-operette.nl/uitvoeringen.html",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-2001-noordwijk/"
  },
  {
   "id": "la-fille-de-madame-angot-2001",
   "title": "La fille de Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-2001/"
  },
  {
   "id": "la-perichole-2001-stadskanaal",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "stadskanaalster-ov"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2001-stadskanaal/"
  },
  {
   "id": "les-cloches-de-corneville-2001-maastricht",
   "title": "Les Cloches de Corneville",
   "composer": "Robert Planquette",
   "librettist": "Louis Clairville en Charles Gabet",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "opera-comique-maastricht"
   ],
   "performances": [
    {
     "date": "2001",
     "time": null,
     "place": "Theater aan het Vrijthof, Maastricht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.yumpu.com/nl/document/view/20490606/the-gondoliers-opera-comique-maastricht",
     "date": "2026-08-14"
    },
    {
     "url": "https://www.caeciliakoor.nl/over-ons/de-dirigent",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-cloches-de-corneville-2001-maastricht/"
  },
  {
   "id": "orphee-aux-enfers-2001-dordrecht",
   "title": "Orphée aux Enfers",
   "composer": "Jacques Offenbach",
   "librettist": "Hector Crémieux en Ludovic Halévy",
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   "translation": "Joop Fransen",
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   "status": "past",
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   ],
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    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
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   ],
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     "date": "2026-08-20"
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   ],
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     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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  },
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   ],
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    {
     "date": "2001",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
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     "date": "2026-08-02"
    }
   ],
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   "status": "past",
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   ],
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    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   ],
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  },
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   "status": "past",
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   ],
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    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   ],
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  {
   "id": "the-pirates-of-penzance-2001-zaandam",
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   ],
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    {
     "date": "2001",
     "time": null,
     "place": "",
     "venue": null
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   ],
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   ],
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  },
  {
   "id": "the-yeomen-of-the-guard-2001-heiloo",
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   "category": "core",
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   ],
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    {
     "date": "2001-02-09",
     "time": null,
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     "venue": "theater-de-beun"
    },
    {
     "date": "2001-02-10",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2001-02-16",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2001-02-17",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2001-02-18",
     "time": null,
     "place": "Theater De Beun, Heiloo",
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    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2001-01-17/edition/null/page/6",
     "date": "2026-08-02"
    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2001-02-14/edition/null/page/1",
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  },
  {
   "id": "monsieur-choufleuri-2001-amsterdam",
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   "translation": "Joop Fransen",
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   "status": "past",
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   ],
   "performances": [
    {
     "date": "2001-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-06"
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   ],
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   "translation": null,
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   ],
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    {
     "date": "2001-03-09",
     "time": null,
     "place": "'t Kielzog, Hoogezand",
     "venue": null
    },
    {
     "date": "2001-03-10",
     "time": null,
     "place": "'t Kielzog, Hoogezand",
     "venue": null
    }
   ],
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     "url": "http://www.proburletta.freeservers.com/whats_new.html",
     "date": "2026-08-06"
    },
    {
     "url": "http://www.proburletta.freeservers.com/contact.html",
     "date": "2026-08-06"
    }
   ],
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   "id": "boccaccio-2001-2001-diemen",
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   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2001-03-16",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    },
    {
     "date": "2001-03-17",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    }
   ],
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    {
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     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-2001-2001-diemen/"
  },
  {
   "id": "the-gondoliers-2001-amsterdam",
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   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2001-09",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-2001-amsterdam/"
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   "id": "orpheus-in-de-onderwereld-2001-goog",
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   "translation": "Willem Wilmink",
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   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "2001-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://goog.nl/volledige-concertgeschiedenis-goog/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orpheus-in-de-onderwereld-2001-goog/"
  },
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   "id": "la-belle-helene-2001-hulsbergen",
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   "composer": "Jacques Offenbach",
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   "music_credit": null,
   "translation": "Joop Fransen",
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   ],
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    {
     "date": "2001-11-16",
     "time": "19:45",
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     "venue": "stadsschouwburg-haarlem"
    },
    {
     "date": "2001-11-17",
     "time": "19:45",
     "place": "Stadsschouwburg Haarlem",
     "venue": "stadsschouwburg-haarlem"
    },
    {
     "date": "2001-11-18",
     "time": "19:45",
     "place": "Stadsschouwburg Haarlem",
     "venue": "stadsschouwburg-haarlem"
    }
   ],
   "sources": [
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     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-belle-helene-2001-hulsbergen/"
  },
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   "id": "das-land-des-lachelns-2002-bijlmer",
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   "composer": "Franz Lehár",
   "librettist": "Ludwig Herzer en Fritz Löhner-Beda",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   ],
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    {
     "date": "2002",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://www.jaap-dijkhuis-producties.nl/biografie/overzicht-van-vertolkte-zang-en-acteerrollen",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/das-land-des-lachelns-2002-bijlmer/"
  },
  {
   "id": "de-barbier-van-madrid-2002-kampen",
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   "composer": "Francisco Barbieri",
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   "translation": "Joop C. G. Fransen",
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   "status": "past",
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   ],
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    {
     "date": "2002",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://theaterkoorcaecilia.nl/producties/",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-barbier-van-madrid-2002-kampen/"
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   "id": "de-mikado-2002-rosmalen",
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   ],
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    {
     "date": "2002",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "http://operetterosmalen.nl/uitgevoerde-producties/",
     "date": "2026-07-26"
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    {
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     "date": "2026-08-20"
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   "id": "der-vogelhandler-2002-epe",
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   "translation": "Gerard Knoppers",
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   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "2002",
     "time": null,
     "place": "",
     "venue": null
    }
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     "date": "2026-08-20"
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   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2002-epe/"
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  {
   "id": "der-zigeunerbaron-2002-maastricht",
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   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "2002",
     "time": null,
     "place": "Maastricht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.movmaastricht.nl/over-mov",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2002-maastricht/"
  },
  {
   "id": "die-csardasfurstin-2002-oegstgeest",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "2002",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://www.detroubadours.com/archief.php",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-csardasfurstin-2002-oegstgeest/"
  },
  {
   "id": "die-csardasfurstin-2002-oostzaan",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "2002",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2000-2009/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-csardasfurstin-2002-oostzaan/"
  },
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   "id": "la-belle-helene-2002-alkmaar",
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   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [
    {
     "date": "2002",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://www.odeonoperette.nl/historisch-overzicht/",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-belle-helene-2002-alkmaar/"
  },
  {
   "id": "la-fille-de-madame-angot-2002-den-haag",
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   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
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   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2002",
     "time": null,
     "place": "",
     "venue": null
    }
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     "date": "2026-08-20"
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   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-2002-den-haag/"
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   "id": "la-fille-de-madame-angot-2002-ijmuiden",
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   "composer": "Charles Lecocq",
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   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "vides-ijmuiden"
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   "performances": [
    {
     "date": "2002",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-2002-ijmuiden/"
  },
  {
   "id": "la-fille-du-tambour-major-2002-purmerend",
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   "composer": "Jacques Offenbach",
   "librettist": "Alfred Duru en Henri Chivot",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "2002",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
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     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-du-tambour-major-2002-purmerend/"
  },
  {
   "id": "maske-in-blau-2002-nijmegen",
   "title": "Maske in Blau",
   "composer": "Fred Raymond",
   "librettist": "boek Heinz Hentschke, liedteksten Günther Schwenn",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "nijmeegs-opera-operette-gezelschap"
   ],
   "performances": [
    {
     "date": "2002",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.muziektheater-nederland.nl/nijmeegs-opera-operette-gezelschap/historie.htm",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/maske-in-blau-2002-nijmegen/"
  },
  {
   "id": "patience-2002-hengelo",
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   ],
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    }
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/patience-2002-hengelo/"
  },
  {
   "id": "patience-2002-utrecht",
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    }
   ],
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    {
     "url": "https://www.kleinoperakoor.nl/patience",
     "date": "2026-08-18"
    },
    {
     "url": "https://web.archive.org/web/2019id_/https://kleinoperakoor.nl/index.php?Pag=20&Sub=2002patience",
     "date": "2026-08-18"
    }
   ],
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-pirates-of-penzance-2002-dalfsen/"
  },
  {
   "id": "the-zoo-2002-eindhoven",
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    {
     "date": "2002",
     "time": null,
     "place": "",
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   ],
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  },
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    {
     "date": "2002",
     "time": null,
     "place": "Oostzaan",
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    }
   ],
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     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2000-2009/",
     "date": "2026-08-02"
    }
   ],
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  },
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   ],
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    {
     "date": "2002",
     "time": null,
     "place": "",
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   ],
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     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/zar-und-zimmermann-2002/"
  },
  {
   "id": "eine-nacht-in-venedig-2002-amstelveen",
   "title": "Eine Nacht in Venedig",
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   "music_credit": null,
   "translation": "Joop Fransen",
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   ],
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    {
     "date": "2002-02",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2002-amstelveen/"
  },
  {
   "id": "eine-nacht-in-venedig-2002-wieringermeer",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
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   "status": "past",
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    {
     "date": "2002-02",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2002-wieringermeer/"
  },
  {
   "id": "trial-by-jury-2002-academisch-genootschap-eindhoven",
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   "music_credit": null,
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    {
     "date": "2002-02",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2002-academisch-genootschap-eindhoven/"
  },
  {
   "id": "boccaccio-2002-heiloo",
   "title": "Boccaccio",
   "composer": "Franz von Suppé",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
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   ],
   "performances": [
    {
     "date": "2002-02-09",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2002-01-16/edition/null/page/1",
     "date": "2026-08-02"
    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2002-02-20/edition/null/page/2",
     "date": "2026-08-03"
    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2003-01-02/edition/null/page/8",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-2002-heiloo/"
  },
  {
   "id": "la-belle-helene-2002-amsterdam",
   "title": "La Belle Hélène",
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   "librettist": "Henri Meilhac en Ludovic Halévy",
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    {
     "date": "2002-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-belle-helene-2002-amsterdam/"
  },
  {
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   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
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   "status": "past",
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   ],
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    {
     "date": "2002-03",
     "time": null,
     "place": "",
     "venue": null
    }
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-grande-duchesse-de-gerolstein-2002-opmeer/"
  },
  {
   "id": "la-vie-parisienne-2002-hoorn",
   "title": "La Vie Parisienne",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
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   "status": "past",
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    {
     "date": "2002-03",
     "time": null,
     "place": "",
     "venue": null
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   ],
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  },
  {
   "id": "orphee-aux-enfers-2002-zaandam",
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    {
     "date": "2002-03",
     "time": null,
     "place": "",
     "venue": null
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     "date": "2026-08-20"
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   "url": "https://operetteinnederland.nl/productie/orphee-aux-enfers-2002-zaandam/"
  },
  {
   "id": "the-pirates-of-penzance-2002-zeist",
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    {
     "date": "2002-03",
     "time": null,
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  },
  {
   "id": "the-zoo-2002-amsterdam",
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     "date": "2002-03",
     "time": null,
     "place": "",
     "venue": null
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   ],
   "url": "https://operetteinnederland.nl/productie/the-zoo-2002-amsterdam/"
  },
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   "id": "der-bettelstudent-2002-2002-diemen",
   "title": "Der Bettelstudent",
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   "translation": null,
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     "date": "2002-03-22",
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    {
     "date": "2002-03-23",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
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   ],
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     "url": "https://www.edog.nl/archief/der-bettelstudent-2002/",
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   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-2002-2002-diemen/"
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    {
     "date": "2002-04",
     "time": null,
     "place": "",
     "venue": null
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   "url": "https://operetteinnederland.nl/productie/la-belle-helene-2002-zwolle/"
  },
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   "id": "les-cloches-de-corneville-2002-ijmuiden",
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    {
     "date": "2002-04",
     "time": null,
     "place": "",
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   "id": "orphee-aux-enfers-2002-haarlem",
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     "date": "2002-04",
     "time": null,
     "place": "",
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   "url": "https://operetteinnederland.nl/productie/orphee-aux-enfers-2002-haarlem/"
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    },
    {
     "date": "2002-06-08",
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     "date": "2002-06-09",
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    {
     "date": "2002-10",
     "time": null,
     "place": "",
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   ],
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  },
  {
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    {
     "date": "2002-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-07"
    },
    {
     "url": "http://www.muziektheater-nederland.nl/eindhovens-operettegezelschap-zonnig-brabant/geschiedenis.htm",
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2002-eindhoven/"
  },
  {
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   "title": "Zar und Zimmermann",
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   "librettist": "Albert Lortzing",
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   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2002-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/zar-und-zimmermann-2002-amsterdam/"
  },
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   "id": "el-barberillo-de-lavapies-2002-emmeloord",
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   "composer": "Francisco Barbieri",
   "librettist": "Luis Mariano de Larra",
   "music_credit": null,
   "translation": "Joop Fransen",
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   "status": "past",
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   ],
   "performances": [
    {
     "date": "2002-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/el-barberillo-de-lavapies-2002-emmeloord/"
  },
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   "id": "les-cloches-de-corneville-2002-noordwijk",
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   "translation": "Joop Fransen",
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   ],
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     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "http://mozaiek-operette.nl/uitvoeringen.html",
     "date": "2026-08-06"
    },
    {
     "url": "https://nov01.fortunecity.ws/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-cloches-de-corneville-2002-noordwijk/"
  },
  {
   "id": "patience-2002-krommenie",
   "title": "Patience",
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   "librettist": "W. S. Gilbert",
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   "translation": "Gerard Knoppers",
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   ],
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     "time": null,
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     "venue": null
    }
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/patience-2002-krommenie/"
  },
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   "id": "de-mikado-2003-purmerend",
   "title": "De Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
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   ],
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    {
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     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
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    {
     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-mikado-2003-purmerend/"
  },
  {
   "id": "de-mikado-2003-wormerveer",
   "title": "De Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "zaanse-operette-vereniging"
   ],
   "performances": [
    {
     "date": "2003",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://hdl.handle.net/21.12112/F8F4C067DC81486790B3B2AE1BF885FE",
     "date": "2026-08-05"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-mikado-2003-wormerveer/"
  },
  {
   "id": "de-piraten-van-penzance-2003-rosmalen",
   "title": "De piraten van Penzance",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
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   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2003",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://operetterosmalen.nl/uitgevoerde-producties/",
     "date": "2026-07-26"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-piraten-van-penzance-2003-rosmalen/"
  },
  {
   "id": "de-zigeunerbaron-2003-kampen",
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   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2003",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://theaterkoorcaecilia.nl/producties/",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-zigeunerbaron-2003-kampen/"
  },
  {
   "id": "der-vogelhandler-2003-almelo",
   "title": "Der Vogelhändler",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": null,
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   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "2003",
     "time": null,
     "place": "Almelo",
     "venue": null
    }
   ],
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     "date": "2026-08-09"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2003-almelo/"
  },
  {
   "id": "el-barberillo-de-lavapies-2003-dalfsen",
   "title": "El Barberillo de Lavapiés",
   "composer": "Francisco Barbieri",
   "librettist": "Luis Mariano de Larra",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
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     "date": "2003-03-27",
     "time": null,
     "place": "concert; plaats niet vermeld",
     "venue": null
    },
    {
     "date": "2003",
     "time": null,
     "place": "twee uitvoeringen in het najaar; exacte data onbekend",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/el-barberillo-de-lavapies-2003-dalfsen/"
  },
  {
   "id": "hoffmanns-vertellingen-2003-alkmaar",
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   "librettist": "Jules Barbier",
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   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "2003",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://www.odeonoperette.nl/historisch-overzicht/",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/hoffmanns-vertellingen-2003-alkmaar/"
  },
  {
   "id": "la-perichole-2003-epe",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
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   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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    {
     "date": "2003",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2003-epe/"
  },
  {
   "id": "les-cloches-de-corneville-2003-oostzaan",
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   "music_credit": null,
   "translation": "Joop Fransen",
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   "status": "past",
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   ],
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    {
     "date": "2003",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
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    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2000-2009/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-cloches-de-corneville-2003-oostzaan/"
  },
  {
   "id": "the-gondoliers-2003-eindhoven",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
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   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2003",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-2003-eindhoven/"
  },
  {
   "id": "the-mikado-2003",
   "title": "The Mikado",
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   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette"
   ],
   "performances": [
    {
     "date": "2003",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-2003/"
  },
  {
   "id": "the-mikado-2003-zoetermeer",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
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   ],
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    {
     "date": "2003",
     "time": null,
     "place": "Zoetermeer",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.muziektheater-nederland.nl/omlandia-warffum/links_uitvoeringen.htm",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-2003-zoetermeer/"
  },
  {
   "id": "trial-by-jury-2003-amersfoort",
   "title": "Trial By Jury",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2003",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2003-amersfoort/"
  },
  {
   "id": "the-yeomen-of-the-guard-2003-leeuwarden",
   "title": "The Yeomen of the Guard",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "animato-leeuwarden"
   ],
   "performances": [
    {
     "date": "2003-02",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-yeomen-of-the-guard-2003-leeuwarden/"
  },
  {
   "id": "trial-by-jury-2003-wieringermeer",
   "title": "Trial by Jury",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2003-02",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2003-wieringermeer/"
  },
  {
   "id": "la-vie-parisienne-2003-heiloo",
   "title": "La vie parisienne",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "heilooer-ov"
   ],
   "performances": [
    {
     "date": "2003-02-08",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2003-02-09",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2003-02-14",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2003-02-15",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2003-01-15/edition/null/page/2",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-vie-parisienne-2003-heiloo/"
  },
  {
   "id": "la-belle-helene-2003-zeist",
   "title": "La Belle Hélène",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2003-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-belle-helene-2003-zeist/"
  },
  {
   "id": "la-gran-via-2003-amsterdam",
   "title": "La Gran Via",
   "composer": "Federico Chueca",
   "librettist": "Felipe Pérez y González",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2003-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-gran-via-2003-amsterdam/"
  },
  {
   "id": "die-lustige-witwe-2003-2003-diemen",
   "title": "Die Lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "edog"
   ],
   "performances": [
    {
     "date": "2003-03-07",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    },
    {
     "date": "2003-03-08",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.edog.nl/archief/die-lustige-witwe-2003/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-2003-2003-diemen/"
  },
  {
   "id": "frau-luna-2003-rotterdam",
   "title": "Frau Luna",
   "composer": "Paul Lincke",
   "librettist": "Heinrich Bolten-Baeckers",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "havenstad-operette"
   ],
   "performances": [
    {
     "date": "2003-03-14",
     "time": "20:00",
     "place": "Theater Zuidplein, Rotterdam",
     "venue": null
    },
    {
     "date": "2003-03-15",
     "time": "20:00",
     "place": "Theater Zuidplein, Rotterdam",
     "venue": null
    },
    {
     "date": "2003-03-16",
     "time": "14:00",
     "place": "Theater Zuidplein, Rotterdam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.lokaleomroepkrimpen.nl/rel4/kabelkrant.asp?command=archief&dag=11&jaar=2003&maand=3&menuid=38",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/frau-luna-2003-rotterdam/"
  },
  {
   "id": "der-zigeunerbaron-2003-apeldoorn",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "apeldoornse-operette-vereniging"
   ],
   "performances": [
    {
     "date": "2003-04",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2003-apeldoorn/"
  },
  {
   "id": "the-pirates-of-penzance-2003-tiel",
   "title": "The Pirates of Penzance",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
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   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2003-06",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-pirates-of-penzance-2003-tiel/"
  },
  {
   "id": "la-vie-parisienne-2003-amsterdam",
   "title": "La Vie Parisienne",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2003-09",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-vie-parisienne-2003-amsterdam/"
  },
  {
   "id": "the-mikado-2003-enschede",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "music-all-enschede"
   ],
   "performances": [
    {
     "date": "2003-09",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
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     "date": "2026-08-20"
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   ],
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     "venue": null
    }
   ],
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    {
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    }
   ],
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  },
  {
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   "title": "Eine Nacht in Venedig",
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    {
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     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2003-rotterdam/"
  },
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   ],
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    {
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     "time": null,
     "place": "Tilburg",
     "venue": null
    }
   ],
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    {
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   ],
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   ],
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    }
   ],
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  },
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    {
     "date": "2003-10-09",
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     "place": "Den Haag",
     "venue": null
    },
    {
     "date": "2003-10-10",
     "time": null,
     "place": "Den Haag",
     "venue": null
    }
   ],
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     "date": "2026-08-07"
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    {
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-2003-den-haag/"
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   ],
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     "time": "20:15",
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     "venue": null
    },
    {
     "date": "2003-10-12",
     "time": "20:15",
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     "venue": null
    }
   ],
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     "date": "2026-08-03"
    },
    {
     "url": "https://nov01.fortunecity.ws/",
     "date": "2026-08-06"
    },
    {
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-fledermaus-2003-den-haag/"
  },
  {
   "id": "een-dans-voor-lieveke-2003-speelklok",
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     "venue": null
    }
   ],
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    }
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   "url": "https://operetteinnederland.nl/productie/een-dans-voor-lieveke-2003-speelklok/"
  },
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   ],
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    {
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     "time": null,
     "place": "",
     "venue": null
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   ],
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   ],
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  {
   "id": "maske-in-blau-2003-noordwijk",
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   "composer": "Fred Raymond",
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   "music_credit": null,
   "translation": null,
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   "status": "past",
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   ],
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    {
     "date": "2003-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://www.vinden.nl/mb/operette+uitvoeringen/",
     "date": "2026-08-03"
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    {
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/maske-in-blau-2003-noordwijk/"
  },
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   "id": "martha-2003-emmeloord",
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   "translation": null,
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     "date": "2003-11-07",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    },
    {
     "date": "2003-11-08",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    },
    {
     "date": "2003-11-09",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    }
   ],
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    },
    {
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     "date": "2026-08-02"
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   ],
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   ],
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     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    }
   ],
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  },
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   ],
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    {
     "date": "2004",
     "time": null,
     "place": "Emmen; drie voorjaarsuitvoeringen",
     "venue": null
    }
   ],
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    },
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     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-2004-emmen/"
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  {
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   "title": "Der Bettelstudent",
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   "music_credit": null,
   "translation": null,
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   ],
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    {
     "date": "2004",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "http://mozaiek-operette.nl/uitvoeringen.html",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-2004-noordwijk/"
  },
  {
   "id": "der-vogelhandler-2004",
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   "music_credit": null,
   "translation": null,
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     "date": "2004",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2004/"
  },
  {
   "id": "der-vogelhandler-2004-noord-scharwoude",
   "title": "Der Vogelhändler",
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   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2004",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2004-noord-scharwoude/"
  },
  {
   "id": "eine-nacht-in-venedig-2004-maastricht",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "mestreechter-ov"
   ],
   "performances": [
    {
     "date": "2004",
     "time": null,
     "place": "Maastricht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.movmaastricht.nl/over-mov",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2004-maastricht/"
  },
  {
   "id": "eine-nacht-in-venedig-2004-oegstgeest",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2004",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://www.detroubadours.com/archief.php",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2004-oegstgeest/"
  },
  {
   "id": "la-belle-helene-2004-utrecht",
   "title": "La belle Hélène",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "klein-operakoor-wilhelminapark"
   ],
   "performances": [
    {
     "date": "2004",
     "time": null,
     "place": "Stadsschouwburg Utrecht",
     "venue": "stadsschouwburg-utrecht"
    }
   ],
   "sources": [
    {
     "url": "https://www.kleinoperakoor.nl/labellehelene",
     "date": "2026-08-18"
    },
    {
     "url": "https://web.archive.org/web/2019id_/https://kleinoperakoor.nl/index.php?Pag=20&Sub=2004helene",
     "date": "2026-08-18"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-belle-helene-2004-utrecht/"
  },
  {
   "id": "la-grande-duchesse-de-gerolstein-2004-wieringermeer",
   "title": "La Grande-Duchesse de Gérolstein",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-muziektheater-hollands-kroon"
   ],
   "performances": [
    {
     "date": "2004",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-grande-duchesse-de-gerolstein-2004-wieringermeer/"
  },
  {
   "id": "la-perichole-2004-tiel",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
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    {
     "date": "2004",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2004-tiel/"
  },
  {
   "id": "les-cloches-de-corneville-2004-amsterdam",
   "title": "Les Cloches de Corneville",
   "composer": "Robert Planquette",
   "librettist": "Louis Clairville en Charles Gabet",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "orpheus-amsterdam"
   ],
   "performances": [
    {
     "date": "2004",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-cloches-de-corneville-2004-amsterdam/"
  },
  {
   "id": "monsieur-choufleuri-2004-maastricht",
   "title": "Monsieur Choufleuri",
   "composer": "Jacques Offenbach",
   "librettist": "Monsieur de Saint-Rémy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "opera-comique-maastricht"
   ],
   "performances": [
    {
     "date": "2004",
     "time": null,
     "place": "La Bonbonnière, Maastricht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.yumpu.com/nl/document/view/20490606/the-gondoliers-opera-comique-maastricht",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/monsieur-choufleuri-2004-maastricht/"
  },
  {
   "id": "paganini-2004-alkmaar",
   "title": "Paganini",
   "composer": "Franz Lehár",
   "librettist": "Paul Knepler en Béla Jenbach",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [
    {
     "date": "2004",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.odeonoperette.nl/historisch-overzicht/",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/paganini-2004-alkmaar/"
  },
  {
   "id": "the-desert-song-2004-purmerend",
   "title": "The Desert Song",
   "composer": "Sigmund Romberg",
   "librettist": "boek Otto Harbach, Oscar Hammerstein II en Frank Mandel, liedteksten Otto Harbach en Oscar Hammerstein II",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "mop-purmerend"
   ],
   "performances": [
    {
     "date": "2004",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
    {
     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-desert-song-2004-purmerend/"
  },
  {
   "id": "the-pirates-of-penzance-2004-oostzaan",
   "title": "The Pirates of Penzance",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "2004",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
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    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2000-2009/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-pirates-of-penzance-2004-oostzaan/"
  },
  {
   "id": "trial-by-jury-2004-apeldoorn",
   "title": "Trial By Jury",
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   "librettist": "W. S. Gilbert",
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   "translation": "Joop Fransen",
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   "status": "past",
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   ],
   "performances": [
    {
     "date": "2004",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2004-apeldoorn/"
  },
  {
   "id": "trial-by-jury-2004-maastricht",
   "title": "Trial by Jury",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Joop Fransen",
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   "status": "past",
   "organizations": [
    "opera-comique-maastricht"
   ],
   "performances": [
    {
     "date": "2004",
     "time": null,
     "place": "La Bonbonnière, Maastricht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.yumpu.com/nl/document/view/20490606/the-gondoliers-opera-comique-maastricht",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2004-maastricht/"
  },
  {
   "id": "monsieur-choufleuri-2004-eindhoven",
   "title": "Monsieur Choufleuri",
   "composer": "Jacques Offenbach",
   "librettist": "Monsieur de Saint-Rémy",
   "music_credit": null,
   "translation": "Joop Fransen",
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   "status": "past",
   "organizations": [
    "academisch-genootschap-eindhoven"
   ],
   "performances": [
    {
     "date": "2004-02",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/monsieur-choufleuri-2004-eindhoven/"
  },
  {
   "id": "the-pirates-of-penzance-2004-amstelveen",
   "title": "The Pirates of Penzance",
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   "librettist": "W.S. Gilbert",
   "music_credit": null,
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   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2004-02",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-pirates-of-penzance-2004-amstelveen/"
  },
  {
   "id": "ruddigore-2004-heiloo",
   "title": "Ruddigore",
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   "librettist": "W.S. Gilbert",
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   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "heilooer-ov"
   ],
   "performances": [
    {
     "date": "2004-02-14",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2004-02-15",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2004-02-20",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2004-02-21",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2004-02-28",
     "time": null,
     "place": "De Clinghe, Castricum",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2004-01-21/edition/null/page/2",
     "date": "2026-08-02"
    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2004-02-18/edition/null/page/1",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/ruddigore-2004-heiloo/"
  },
  {
   "id": "eine-nacht-in-venedig-2004-zaandam",
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   "translation": "Joop Fransen",
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   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2004-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2004-zaandam/"
  },
  {
   "id": "les-bavards-2004-amsterdam",
   "title": "Les Bavards",
   "composer": "Jacques Offenbach",
   "librettist": "Charles Nuitter",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
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   ],
   "performances": [
    {
     "date": "2004-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-bavards-2004-amsterdam/"
  },
  {
   "id": "the-pirates-of-penzance-2004-hoorn",
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   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2004-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-pirates-of-penzance-2004-hoorn/"
  },
  {
   "id": "maske-in-blau-2004-2004-diemen",
   "title": "Maske in Blau",
   "composer": "Fred Raymond",
   "librettist": "boek Heinz Hentschke, liedteksten Günther Schwenn",
   "music_credit": null,
   "translation": null,
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   "status": "past",
   "organizations": [
    "edog"
   ],
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    {
     "date": "2004-03-19",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    },
    {
     "date": "2004-03-20",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    }
   ],
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    {
     "url": "https://www.edog.nl/archief/maske-in-blau-2004/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/maske-in-blau-2004-2004-diemen/"
  },
  {
   "id": "der-vogelhandler-2004-rotterdam",
   "title": "Der Vogelhändler",
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   "translation": "Gerard Knoppers",
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   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2004-04",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2004-rotterdam/"
  },
  {
   "id": "der-zigeunerbaron-2004-zoetermeer",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2004-05",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2004-zoetermeer/"
  },
  {
   "id": "eine-nacht-in-venedig-2004-eindhoven",
   "title": "Eine Nacht in Venedig",
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   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
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   ],
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    {
     "date": "2004-10",
     "time": null,
     "place": "Stadsschouwburg Eindhoven",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.muziektheater-nederland.nl/eindhovens-operettegezelschap-zonnig-brabant/producties.htm",
     "date": "2026-08-07"
    },
    {
     "url": "http://www.muziektheater-nederland.nl/eindhovens-operettegezelschap-zonnig-brabant/geschiedenis.htm",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2004-eindhoven/"
  },
  {
   "id": "frau-luna-2004-gouda",
   "title": "Frau Luna",
   "composer": "Paul Lincke",
   "librettist": "Heinrich Bolten-Baeckers",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2004-10",
     "time": null,
     "place": "Gouda",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.amateur-muziektheater.nl/Belcanto-Voorschoten/",
     "date": "2026-08-07"
    },
    {
     "url": "http://www.operette-nederland.nl/goudse-operette-frau-luna/",
     "date": "2026-08-07"
    },
    {
     "url": "https://belcantoconcert.fortunecity.ws/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/frau-luna-2004-gouda/"
  },
  {
   "id": "hms-pinafore-2004-amsterdam",
   "title": "H.M.S. Pinafore",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2004-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/hms-pinafore-2004-amsterdam/"
  },
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   "id": "la-perichole-2004-enkhuizen",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
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   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2004-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2004-enkhuizen/"
  },
  {
   "id": "der-vogelhandler-2004-sint-anthonis",
   "title": "Der Vogelhändler",
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   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2004-10-30",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2004-11-29",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://petervostenor.nl/wp-content/uploads/2025/02/Concerthistorie-2023-1995.pdf",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2004-sint-anthonis/"
  },
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   "id": "la-vie-parisienne-2004-den-haag",
   "title": "La Vie Parisienne",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "residentie-operette-odes"
   ],
   "performances": [
    {
     "date": "2004-10-30",
     "time": "20:00",
     "place": "Nederlands Congrescentrum, Den Haag",
     "venue": null
    },
    {
     "date": "2004-10-31",
     "time": "14:00",
     "place": "Nederlands Congrescentrum, Den Haag ()",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://odesdenhaag7.fortunecity.ws/",
     "date": "2026-08-03"
    },
    {
     "url": "https://nov01.fortunecity.ws/",
     "date": "2026-08-06"
    },
    {
     "url": "http://resolver.kb.nl/resolve?urn=KBPERS01:003223024:mpeg21:a00316:ocr",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-vie-parisienne-2004-den-haag/"
  },
  {
   "id": "de-gondeliers-2004-haren",
   "title": "De Gondeliers",
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   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "harener-thalia"
   ],
   "performances": [
    {
     "date": "2004-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://thaliaharen.nl/wp-content/uploads/2024/12/Thalia-60-jaar-juiste-versie.pdf",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-gondeliers-2004-haren/"
  },
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   "id": "eine-nacht-in-venedig-2004-epe",
   "title": "Eine Nacht in Venedig",
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   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2004-11",
     "time": null,
     "place": "",
     "venue": null
    }
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2004-epe/"
  },
  {
   "id": "la-fille-de-madame-angot-2004-krommenie",
   "title": "La Fille de Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "krommenieer-ov"
   ],
   "performances": [
    {
     "date": "2004-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-2004-krommenie/"
  },
  {
   "id": "la-vie-parisienne-2004-haarlem",
   "title": "La Vie Parisienne",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "hulsbergen"
   ],
   "performances": [
    {
     "date": "2004-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-vie-parisienne-2004-haarlem/"
  },
  {
   "id": "the-pirates-of-penzance-2004-winterswijk",
   "title": "The Pirates of Penzance",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2004-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-pirates-of-penzance-2004-winterswijk/"
  },
  {
   "id": "les-contes-d-hoffmann-2004-amsterdam-cantare",
   "title": "Les Contes d'Hoffmann",
   "composer": "Jacques Offenbach",
   "librettist": "Jules Barbier",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "zangtheatergroep-cantare"
   ],
   "performances": [
    {
     "date": "2004-12",
     "time": null,
     "place": "Amsterdam; twee uitvoeringen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-contes-d-hoffmann-2004-amsterdam-cantare/"
  },
  {
   "id": "trial-by-jury-2004-joure",
   "title": "Trial By Jury",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "les-rigolaux"
   ],
   "performances": [
    {
     "date": "2004-12",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2004-joure/"
  },
  {
   "id": "de-dochter-van-madame-angot-2005-alkmaar",
   "title": "De Dochter van Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [
    {
     "date": "2005",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.odeonoperette.nl/historisch-overzicht/",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-dochter-van-madame-angot-2005-alkmaar/"
  },
  {
   "id": "de-koning-van-barataria-gondeliers-2005-rosmalen",
   "title": "De koning van Barataria (Gondeliers)",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-rosmalen"
   ],
   "performances": [
    {
     "date": "2005",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://operetterosmalen.nl/uitgevoerde-producties/",
     "date": "2026-07-26"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-koning-van-barataria-gondeliers-2005-rosmalen/"
  },
  {
   "id": "de-zarewitsch-2005-wormerveer",
   "title": "De Zarewitsch",
   "composer": "Franz Lehár",
   "librettist": "Béla Jenbach en Heinz Reichert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "zaanse-operette-vereniging"
   ],
   "performances": [
    {
     "date": "2005",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://hdl.handle.net/21.12112/A790E90D157A4B9FAF8288656A7C17D4",
     "date": "2026-08-05"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-zarewitsch-2005-wormerveer/"
  },
  {
   "id": "der-bettelstudent-2005-almelo",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheater-servus-almelo"
   ],
   "performances": [
    {
     "date": "2005",
     "time": null,
     "place": "Almelo",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.servus-almelo.nl/terugblik/",
     "date": "2026-08-09"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-2005-almelo/"
  },
  {
   "id": "der-bettelstudent-2005-purmerend",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "mop-purmerend"
   ],
   "performances": [
    {
     "date": "2005",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
    {
     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-2005-purmerend/"
  },
  {
   "id": "der-vogelhandler-2005-ijmuiden",
   "title": "Der Vogelhändler",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "vides-ijmuiden"
   ],
   "performances": [
    {
     "date": "2005",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.jaap-dijkhuis-producties.nl/biografie/overzicht-van-vertolkte-zang-en-acteerrollen",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2005-ijmuiden/"
  },
  {
   "id": "der-vogelhandler-2005-oostzaan",
   "title": "Der Vogelhändler",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "2005",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2000-2009/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2005-oostzaan/"
  },
  {
   "id": "die-glocken-von-corneville-2005",
   "title": "Die Glocken von Corneville",
   "composer": "Robert Planquette",
   "librettist": "Louis Clairville en Charles Gabet",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette"
   ],
   "performances": [
    {
     "date": "2005",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-glocken-von-corneville-2005/"
  },
  {
   "id": "eine-nacht-in-venedig-2005-amsterdam",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "orpheus-amsterdam"
   ],
   "performances": [
    {
     "date": "2005",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2005-amsterdam/"
  },
  {
   "id": "grafin-mariza-2005-oegstgeest",
   "title": "Gräfin Mariza",
   "composer": "Emmerich Kálmán",
   "librettist": "Julius Brammer en Alfred Grünwald",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "de-troubadours-oegstgeest"
   ],
   "performances": [
    {
     "date": "2005",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.detroubadours.com/archief.php",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/grafin-mariza-2005-oegstgeest/"
  },
  {
   "id": "la-perichole-2005-noordwijk",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-mozaiek"
   ],
   "performances": [
    {
     "date": "2005",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://mozaiek-operette.nl/uitvoeringen.html",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2005-noordwijk/"
  },
  {
   "id": "the-sorcerer-2005-amsterdam",
   "title": "The Sorcerer",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2005",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-sorcerer-2005-amsterdam/"
  },
  {
   "id": "der-bettelstudent-2005-zwaag",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "musicalvereniging-zwaag"
   ],
   "performances": [
    {
     "date": "2005-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-2005-zwaag/"
  },
  {
   "id": "the-mikado-2005-wieringermeer",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-muziektheater-hollands-kroon"
   ],
   "performances": [
    {
     "date": "2005-02",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-2005-wieringermeer/"
  },
  {
   "id": "der-bettelstudent-2005-heiloo",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "heilooer-ov"
   ],
   "performances": [
    {
     "date": "2005-02-11",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2005-02-12",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2005-02-18",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2005-02-19",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2005-02-20",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2005-01-19/edition/null/page/2",
     "date": "2026-08-02"
    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2005-02-09/edition/null/page/1",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-2005-heiloo/"
  },
  {
   "id": "eine-nacht-in-venedig-2005-hoorn",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "hoornse-ov"
   ],
   "performances": [
    {
     "date": "2005-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2005-hoorn/"
  },
  {
   "id": "la-vie-parisienne-2005-opmeer",
   "title": "La Vie Parisienne",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "zang-en-vriendschap-opmeer"
   ],
   "performances": [
    {
     "date": "2005-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-vie-parisienne-2005-opmeer/"
  },
  {
   "id": "de-dochter-van-de-tamboer-majoor-2005-2005-diemen",
   "title": "De Dochter van de Tamboer-majoor",
   "composer": "Jacques Offenbach",
   "librettist": "Alfred Duru en Henri Chivot",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "edog"
   ],
   "performances": [
    {
     "date": "2005-03-04",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    },
    {
     "date": "2005-03-05",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.edog.nl/archief/de-dochter-van-de-tamboer-majoor-2005/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-dochter-van-de-tamboer-majoor-2005-2005-diemen/"
  },
  {
   "id": "die-lustige-witwe-2005-den-haag",
   "title": "Die Lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "residentie-operette-odes"
   ],
   "performances": [
    {
     "date": "2005-10",
     "time": null,
     "place": "Den Haag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://odesdenhaag7.fortunecity.ws/",
     "date": "2026-08-03"
    },
    {
     "url": "https://nov01.fortunecity.ws/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-2005-den-haag/"
  },
  {
   "id": "les-cloches-de-corneville-2005-haarlem",
   "title": "Les Cloches de Corneville",
   "composer": "Robert Planquette",
   "librettist": "Louis Clairville en Charles Gabet",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "hulsbergen"
   ],
   "performances": [
    {
     "date": "2005-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-cloches-de-corneville-2005-haarlem/"
  },
  {
   "id": "der-zigeunerbaron-2005-tilburg",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "tilburgse-operette-vereniging"
   ],
   "performances": [
    {
     "date": "2005-10-14",
     "time": null,
     "place": "Tilburg",
     "venue": null
    },
    {
     "date": "2005-10-15",
     "time": null,
     "place": "Tilburg",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2005-tilburg/"
  },
  {
   "id": "der-bettelstudent-2005-krommenie",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "krommenieer-ov"
   ],
   "performances": [
    {
     "date": "2005-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-2005-krommenie/"
  },
  {
   "id": "der-obersteiger-2005-gouda",
   "title": "Der Obersteiger",
   "composer": "Carl Zeller",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "goudse-operette"
   ],
   "performances": [
    {
     "date": "2005-11",
     "time": null,
     "place": "Gouda",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.amateur-muziektheater.nl/Belcanto-Voorschoten/",
     "date": "2026-08-07"
    },
    {
     "url": "http://www.operette-nederland.nl/goudse-operette-der-obersteiger/",
     "date": "2026-08-07"
    },
    {
     "url": "https://belcantoconcert.fortunecity.ws/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-obersteiger-2005-gouda/"
  },
  {
   "id": "la-belle-helene-2005-nieuwegein",
   "title": "La Belle Hélène",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "nieuwstad-operette-nieuwegein"
   ],
   "performances": [
    {
     "date": "2005-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-belle-helene-2005-nieuwegein/"
  },
  {
   "id": "the-mikado-2005-leiden",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "crescendo-leiden"
   ],
   "performances": [
    {
     "date": "2005-11",
     "time": null,
     "place": "Leiden",
     "venue": null
    }
   ],
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     "time": null,
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     "time": null,
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     "time": null,
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    {
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     "time": null,
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     "time": null,
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    {
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     "time": null,
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     "date": "2006-11-24",
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     "date": "2006-11-16",
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     "date": "2006-11-19",
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    {
     "date": "2006-11-18",
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     "date": "2006-12-02",
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     "date": "2007",
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     "time": null,
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     "time": null,
     "place": "",
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     "time": null,
     "place": "",
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     "date": "2007-03",
     "time": null,
     "place": "",
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     "date": "2007-03-02",
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     "place": "Stadsschouwburg Utrecht, D.E. zaal",
     "venue": null
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    {
     "date": "2007-03-03",
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    {
     "date": "2007-03-10",
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     "date": "2007-03-09",
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     "place": "Cultuurcentrum vanBeresteyn, Veendam",
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     "date": "2007-03-10",
     "time": null,
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    {
     "date": "2007-03-16",
     "time": null,
     "place": "Cultuurcentrum vanBeresteyn, Veendam",
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    {
     "date": "2007-03-17",
     "time": null,
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     "date": "2007-03-10",
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     "date": "2007-03-11",
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     "venue": null
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    {
     "date": "2007-03-16",
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     "venue": null
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    {
     "date": "2007-03-17",
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     "venue": null
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     "date": "2007-03-16",
     "time": null,
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     "venue": null
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    {
     "date": "2007-03-17",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
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   "id": "die-lustige-witwe-2007-zwolle",
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     "venue": null
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     "date": "2007-03-18",
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    {
     "date": "2007-03-23",
     "time": "20:00",
     "place": "Partycentrum De Oude Beurs, Middenmeer",
     "venue": null
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    {
     "date": "2007-03-24",
     "time": "20:00",
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     "venue": null
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     "date": "2007-03-23",
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    {
     "date": "2007-03-24",
     "time": "20:00",
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     "venue": null
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     "date": "2007-06-03",
     "time": "14:30",
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     "venue": null
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     "date": "2007-03-23",
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     "time": "20:00",
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     "date": "2007-03-25",
     "time": "14:30",
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     "venue": null
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    {
     "date": "2007-04",
     "time": null,
     "place": "",
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   "translation": "Joop Fransen",
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     "venue": null
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    {
     "date": "2007-04-14",
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     "venue": null
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    {
     "date": "2007-04-14",
     "time": "20:00",
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     "venue": null
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   "translation": null,
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    {
     "date": "2007-04-14",
     "time": null,
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     "date": "2008",
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     "date": "2008",
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   "translation": "Joop Fransen",
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     "date": "2008",
     "time": null,
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     "venue": null
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     "date": "2008",
     "time": null,
     "place": "",
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     "date": "2008",
     "time": null,
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     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.vinden.nl/mb/operette+uitvoeringen/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/frau-luna-2008-noordwijk/"
  },
  {
   "id": "la-fille-de-madame-angot-2008-haarlem",
   "title": "La Fille de Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "hulsbergen"
   ],
   "performances": [
    {
     "date": "2008",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-2008-haarlem/"
  },
  {
   "id": "la-gran-via-2008-dalfsen",
   "title": "La Gran Via",
   "composer": "Federico Chueca",
   "librettist": "Felipe Pérez y González",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-vechtstreek-dalfsen"
   ],
   "performances": [
    {
     "date": "2008",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-gran-via-2008-dalfsen/"
  },
  {
   "id": "la-perichole-2008-rosmalen",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-rosmalen"
   ],
   "performances": [
    {
     "date": "2008",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://operetterosmalen.nl/uitgevoerde-producties/",
     "date": "2026-07-26"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2008-rosmalen/"
  },
  {
   "id": "patience-2008-maastricht",
   "title": "Patience",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "opera-comique-maastricht"
   ],
   "performances": [
    {
     "date": "2008",
     "time": null,
     "place": "La Bonbonnière, Maastricht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.yumpu.com/nl/document/view/20490606/the-gondoliers-opera-comique-maastricht",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/patience-2008-maastricht/"
  },
  {
   "id": "the-gondoliers-2008-noord-scharwoude",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "caecilia-muziektheater-langedijk"
   ],
   "performances": [
    {
     "date": "2008",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-2008-noord-scharwoude/"
  },
  {
   "id": "viktoria-und-ihr-husar-2008-oegstgeest",
   "title": "Viktoria und ihr Husar",
   "composer": "Paul Ábrahám",
   "librettist": "Alfred Grünwald en Fritz Löhner-Beda",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "crescendo-leiden"
   ],
   "performances": [
    {
     "date": "2008",
     "time": null,
     "place": "drie voorstellingen, Rijnlands Lyceum, Oegstgeest; data niet genoemd in de aankondiging",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://sleutelstad.nl/2008/11/13/drie-voorstellingen-leids-operettegezelschap-cresendo/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/viktoria-und-ihr-husar-2008-oegstgeest/"
  },
  {
   "id": "barbe-bleue-2008-wieringermeer",
   "title": "Barbe-Bleue",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-muziektheater-hollands-kroon"
   ],
   "performances": [
    {
     "date": "2008-02",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/barbe-bleue-2008-wieringermeer/"
  },
  {
   "id": "ruddigore-2008-dalfsen",
   "title": "Ruddigore",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-vechtstreek-dalfsen"
   ],
   "performances": [
    {
     "date": "2008-02",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/ruddigore-2008-dalfsen/"
  },
  {
   "id": "de-groothertogin-van-gerolstein-2008-heiloo",
   "title": "De groothertogin van Gérolstein",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "heilooer-ov"
   ],
   "performances": [
    {
     "date": "2008-02-09",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2008-02-10",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2008-02-15",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2008-02-16",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2008-02-17",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2008-01-16/edition/null/page/11",
     "date": "2026-08-02"
    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2008-02-13/edition/null/page/11",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-groothertogin-van-gerolstein-2008-heiloo/"
  },
  {
   "id": "de-groothertogin-van-gerolstein-2008-2008-diemen",
   "title": "De Groothertogin van Gerolstein",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "edog"
   ],
   "performances": [
    {
     "date": "2008-03-14",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    },
    {
     "date": "2008-03-15",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.edog.nl/archief/de-groothertogin-van-gerolstein-2008/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-groothertogin-van-gerolstein-2008-2008-diemen/"
  },
  {
   "id": "the-mikado-2008-monster-dario-fo",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "stichting-dario-fo"
   ],
   "performances": [
    {
     "date": "2008-03-19",
     "time": null,
     "place": "Monster; één grootboekuitvoering",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://repository.officiele-overheidspublicaties.nl/CVDR/CVDR81967/1/xml/i22416.pdf",
     "date": "2026-08-21"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-2008-monster-dario-fo/"
  },
  {
   "id": "der-zigeunerbaron-2008-zwolle",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "zwols-muziektheater"
   ],
   "performances": [
    {
     "date": "2008-04",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2008-zwolle/"
  },
  {
   "id": "la-perichole-2008-hoorn",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "hoornse-ov"
   ],
   "performances": [
    {
     "date": "2008-04",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2008-hoorn/"
  },
  {
   "id": "de-piraten-van-penzance-2008-haren",
   "title": "De piraten van Penzance",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "harener-thalia"
   ],
   "performances": [
    {
     "date": "2008-04-11",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2008-04-12",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://thaliaharen.nl/wp-content/uploads/2024/12/Thalia-60-jaar-juiste-versie.pdf",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-piraten-van-penzance-2008-haren/"
  },
  {
   "id": "the-mikado-2008-amsterdam",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2008-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-2008-amsterdam/"
  },
  {
   "id": "eine-nacht-in-venedig-2008-tilburg",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "tilburgse-operette-vereniging"
   ],
   "performances": [
    {
     "date": "2008-10-03",
     "time": null,
     "place": "Tilburg",
     "venue": null
    },
    {
     "date": "2008-10-04",
     "time": null,
     "place": "Tilburg",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2008-tilburg/"
  },
  {
   "id": "down-in-the-valley-2008-utrecht",
   "title": "Down in the Valley",
   "composer": "Kurt Weill",
   "librettist": "Arnold Sundgaard",
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "klein-operakoor-wilhelminapark"
   ],
   "performances": [
    {
     "date": "2008-10-04",
     "time": null,
     "place": "Geertekerk, Utrecht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.kleinoperakoor.nl/downinthevalley",
     "date": "2026-08-18"
    },
    {
     "url": "https://web.archive.org/web/2019id_/https://kleinoperakoor.nl/index.php?Pag=20&Sub=2008valley",
     "date": "2026-08-18"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/down-in-the-valley-2008-utrecht/"
  },
  {
   "id": "eine-nacht-in-venedig-2008-sint-anthonis",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-gezellen-sint-anthonis"
   ],
   "performances": [
    {
     "date": "2008-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2008-sint-anthonis/"
  },
  {
   "id": "la-perichole-2008-apeldoorn",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheater-apeldoorn"
   ],
   "performances": [
    {
     "date": "2008-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2008-apeldoorn/"
  },
  {
   "id": "de-mikado-2009-almelo",
   "title": "De Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheater-servus-almelo"
   ],
   "performances": [
    {
     "date": "2009",
     "time": null,
     "place": "Almelo",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.servus-almelo.nl/terugblik/",
     "date": "2026-08-09"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-mikado-2009-almelo/"
  },
  {
   "id": "der-vogelhandler-2009-zaandam",
   "title": "Der Vogelhändler",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "czaar-peter"
   ],
   "performances": [
    {
     "date": "2009",
     "time": null,
     "place": "Zaandam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://czaar-peter.nl/?page_id=167",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2009-zaandam/"
  },
  {
   "id": "dochter-van-madame-angot-2009-noordwijk",
   "title": "Dochter van Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-mozaiek"
   ],
   "performances": [
    {
     "date": "2009",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.vinden.nl/mb/operette+uitvoeringen/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/dochter-van-madame-angot-2009-noordwijk/"
  },
  {
   "id": "eine-nacht-in-venedig-2009-purmerend",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "mop-purmerend"
   ],
   "performances": [
    {
     "date": "2009",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
    {
     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2009-purmerend/"
  },
  {
   "id": "engelberg-express-2009",
   "title": "Engelberg Express",
   "composer": "Steef de Jong",
   "librettist": "Steef de Jong",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "groots-en-meeslepend"
   ],
   "performances": [
    {
     "date": "2009",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.grootsenmeeslepend.nl/over-ons/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.theater.nl/artiesten/steef-de-jong",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/engelberg-express-2009/"
  },
  {
   "id": "im-weissen-rossl-2009-alkmaar",
   "title": "Im weissen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [
    {
     "date": "2009",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.odeonoperette.nl/historisch-overzicht/",
     "date": "2026-08-13"
    },
    {
     "url": "https://www.odeonoperette.nl/recensies/",
     "date": "2026-08-13"
    },
    {
     "url": "https://www.odeonoperette.nl/?fotos=2009-im-weissen-rossl",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-2009-alkmaar/"
  },
  {
   "id": "iolanthe-2009-utrecht",
   "title": "Iolanthe",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "klein-operakoor-wilhelminapark"
   ],
   "performances": [
    {
     "date": "2009",
     "time": null,
     "place": "Stadsschouwburg Utrecht",
     "venue": "stadsschouwburg-utrecht"
    }
   ],
   "sources": [
    {
     "url": "https://www.kleinoperakoor.nl/iolanthe",
     "date": "2026-08-18"
    },
    {
     "url": "https://web.archive.org/web/2019id_/https://kleinoperakoor.nl/index.php?Pag=20&Sub=2009iolanthe",
     "date": "2026-08-18"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/iolanthe-2009-utrecht/"
  },
  {
   "id": "la-poupee-2009-oostzaan",
   "title": "La Poupée",
   "composer": "Edmond Audran",
   "librettist": null,
   "music_credit": null,
   "translation": "John Lust",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "2009",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2000-2009/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-poupee-2009-oostzaan/"
  },
  {
   "id": "patience-2009-amsterdam",
   "title": "Patience",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2009",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-04"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/patience-2009-amsterdam/"
  },
  {
   "id": "t-bruudje-van-de-broeder-2009-venlo",
   "title": "'t Brúudje van de Broeder",
   "composer": "Edmond Audran",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "venloos-og"
   ],
   "performances": [
    {
     "date": "2009",
     "time": null,
     "place": "Venlo",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterkoorvog.nl/t-bruudje-van-de-broeder/",
     "date": "2026-08-02"
    },
    {
     "url": "https://theaterkoorvog.nl/producties/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/t-bruudje-van-de-broeder-2009-venlo/"
  },
  {
   "id": "the-gondoliers-2009",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette"
   ],
   "performances": [
    {
     "date": "2009",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-07-26"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-2009/"
  },
  {
   "id": "la-grande-duchesse-de-gerolstein-2009-wormerveer",
   "title": "La Grande-Duchesse de Gérolstein",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "zaanse-operette-vereniging"
   ],
   "performances": [
    {
     "date": "2009-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-grande-duchesse-de-gerolstein-2009-wormerveer/"
  },
  {
   "id": "de-piraten-van-penzance-2009-heiloo",
   "title": "De Piraten van Penzance",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "heilooer-ov"
   ],
   "performances": [
    {
     "date": "2009-02-14",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2009-02-15",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2009-02-20",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2009-02-21",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2009-02-22",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    }
   ],
   "sources": [
    {
     "url": "https://www.heiloo-online.nl/nieuws/3639-hov-brengt-de-piraten-van-penzance",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-piraten-van-penzance-2009-heiloo/"
  },
  {
   "id": "der-bettelstudent-2009-hoorn",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "hoornse-ov"
   ],
   "performances": [
    {
     "date": "2009-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-2009-hoorn/"
  },
  {
   "id": "l-ile-de-tulipatan-2009-oss",
   "title": "L'Île de Tulipatan",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Chivot en Alfred Duru",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "het-maaslands-oss"
   ],
   "performances": [
    {
     "date": "2009-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/l-ile-de-tulipatan-2009-oss/"
  },
  {
   "id": "les-bavards-2009-oss",
   "title": "Les Bavards",
   "composer": "Jacques Offenbach",
   "librettist": "Charles Nuitter",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "het-maaslands-oss"
   ],
   "performances": [
    {
     "date": "2009-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-bavards-2009-oss/"
  },
  {
   "id": "the-gondoliers-2009-emmen",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "opera-en-operettevereniging-emmen"
   ],
   "performances": [
    {
     "date": "2009-03",
     "time": null,
     "place": "Emmen; twee uitvoeringen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-2009-emmen/"
  },
  {
   "id": "the-mikado-2009-leeuwarden",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "animato-leeuwarden"
   ],
   "performances": [
    {
     "date": "2009-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-2009-leeuwarden/"
  },
  {
   "id": "im-weissen-rossl-2009-2009-diemen",
   "title": "Im weissen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "edog"
   ],
   "performances": [
    {
     "date": "2009-03-20",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    },
    {
     "date": "2009-03-21",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.edog.nl/archief/im-weissen-rossl-2009/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-2009-2009-diemen/"
  },
  {
   "id": "trial-by-jury-2009-naaldwijk",
   "title": "Trial By Jury",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "kunst-voor-het-volk-westland"
   ],
   "performances": [
    {
     "date": "2009-04",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2009-naaldwijk/"
  },
  {
   "id": "orphee-aux-enfers-2009-hengelo",
   "title": "Orphée aux Enfers",
   "composer": "Jacques Offenbach",
   "librettist": "Hector Crémieux en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "hoov-hengelo"
   ],
   "performances": [
    {
     "date": "2009-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orphee-aux-enfers-2009-hengelo/"
  },
  {
   "id": "der-zigeunerbaron-2009-leiden",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "crescendo-leiden"
   ],
   "performances": [
    {
     "date": "2009-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2009-leiden/"
  },
  {
   "id": "la-perichole-2009-sint-anthonis",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-gezellen-sint-anthonis"
   ],
   "performances": [
    {
     "date": "2009-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2009-sint-anthonis/"
  },
  {
   "id": "the-zoo-2009-zevenaar",
   "title": "The Zoo",
   "composer": "Arthur Sullivan",
   "librettist": "B.C. Stephenson",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "amicitia-zevenaar"
   ],
   "performances": [
    {
     "date": "2009-12",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-zoo-2009-zevenaar/"
  },
  {
   "id": "de-jantjes-2010-purmerend",
   "title": "De Jantjes",
   "composer": "Louis Davids & Margie Morris",
   "librettist": "Herman Bouber",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "mop-purmerend"
   ],
   "performances": [
    {
     "date": "2010",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-jantjes-2010-purmerend/"
  },
  {
   "id": "der-graf-von-luxemburg-2010",
   "title": "Der Graf von Luxemburg",
   "composer": "Franz Lehár",
   "librettist": "Alfred Maria Willner en Robert Bodanzky",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette"
   ],
   "performances": [
    {
     "date": "2010",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-07-26"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-graf-von-luxemburg-2010/"
  },
  {
   "id": "die-zirkusprinzessin-2010-noordwijk",
   "title": "Die Zirkusprinzessin",
   "composer": "Emmerich Kálmán",
   "librettist": "Julius Brammer en Alfred Grünwald",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-mozaiek"
   ],
   "performances": [
    {
     "date": "2010",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.vinden.nl/mb/operette+uitvoeringen/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-zirkusprinzessin-2010-noordwijk/"
  },
  {
   "id": "im-weissen-rossl-2010-rosmalen",
   "title": "Im Weissen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-rosmalen"
   ],
   "performances": [
    {
     "date": "2010",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://operetterosmalen.nl/uitgevoerde-producties/",
     "date": "2026-07-26"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-2010-rosmalen/"
  },
  {
   "id": "kunt-u-ons-de-geschiedenis-van-purmerend-vertellen-mevrouw-2010-purmerend",
   "title": "Kunt u ons de geschiedenis van Purmerend vertellen mevrouw?",
   "composer": "Arthur Sullivan",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "mop-purmerend"
   ],
   "performances": [
    {
     "date": "2010",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
    {
     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.rodi.nl/purmerend/152451/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/kunt-u-ons-de-geschiedenis-van-purmerend-vertellen-mevrouw-2010-purmerend/"
  },
  {
   "id": "la-fille-de-madame-angot-2010-amsterdam",
   "title": "La Fille de Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2010",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-04"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-2010-amsterdam/"
  },
  {
   "id": "la-fille-de-madame-angot-2010-zaandam",
   "title": "La Fille de Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "czaar-peter"
   ],
   "performances": [
    {
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     "date": "2010",
     "time": null,
     "place": "",
     "venue": null
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   ],
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     "time": null,
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     "venue": null
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     "date": "2010",
     "time": null,
     "place": "Maastricht",
     "venue": null
    }
   ],
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     "url": "http://www.movmaastricht.nl/over-mov",
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    {
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   "id": "weens-operette-gala-2010-tour",
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     "date": "2010",
     "time": null,
     "place": "tournee door Nederlandse theaters (finale Theater Carré, Amsterdam)",
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    }
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   ],
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    {
     "date": "2010-02",
     "time": null,
     "place": "",
     "venue": null
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   "id": "de-vogelkoopman-2010-heiloo",
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     "date": "2010-02-13",
     "time": null,
     "place": "Theater De Beun, Heiloo",
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    {
     "date": "2010-02-14",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2010-02-19",
     "time": null,
     "place": "Theater De Beun, Heiloo",
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    {
     "date": "2010-02-20",
     "time": null,
     "place": "Theater De Beun, Heiloo",
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    },
    {
     "date": "2010-02-21",
     "time": null,
     "place": "Theater De Beun, Heiloo",
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    }
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    },
    {
     "url": "https://www.heiloo-online.nl/nieuws/4631-kaartverkoop-vogelkoopman-gestart",
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    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2010-01-13/edition/null/page/11",
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    {
     "date": "2010-03",
     "time": null,
     "place": "",
     "venue": null
    }
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   "id": "la-perichole-2010-haren",
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   "composer": "Jacques Offenbach",
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   "music_credit": null,
   "translation": "Joop Fransen",
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   "status": "past",
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   ],
   "performances": [
    {
     "date": "2010-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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   "url": "https://operetteinnederland.nl/productie/la-perichole-2010-haren/"
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   "translation": "Gerard Knoppers",
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   "status": "past",
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   "performances": [
    {
     "date": "2010-03",
     "time": null,
     "place": "",
     "venue": null
    }
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   "id": "frau-luna-2010-2010-diemen",
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   "librettist": "Heinrich Bolten-Baeckers",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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    "edog"
   ],
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    {
     "date": "2010-03-26",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
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    {
     "date": "2010-03-27",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    }
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   "url": "https://operetteinnederland.nl/productie/frau-luna-2010-2010-diemen/"
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   "title": "The Mikado",
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   "librettist": "W. S. Gilbert",
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   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "2010-04",
     "time": null,
     "place": "",
     "venue": null
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   "url": "https://operetteinnederland.nl/productie/the-mikado-2010-rotterdam/"
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   "id": "trial-by-jury-2010-zwolle",
   "title": "Trial By Jury",
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   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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    {
     "date": "2010-04",
     "time": null,
     "place": "",
     "venue": null
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   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2010-zwolle/"
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   "id": "the-mikado-2010-utrecht-musicalgroep",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2010-06",
     "time": null,
     "place": "Utrecht; zes uitvoeringen",
     "venue": null
    }
   ],
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     "url": "https://www.musicalgroeputrecht.nl/producties",
     "date": "2026-08-21"
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    {
     "url": "https://www.zimihc.nl/artiesten/musicalgroep-utrecht/",
     "date": "2026-08-21"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
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   "url": "https://operetteinnederland.nl/productie/the-mikado-2010-utrecht-musicalgroep/"
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  {
   "id": "gook-doet-het-in-het-spaans-2010-gorinchem",
   "title": "GOOK doet het in het Spaans",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
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   "status": "past",
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   ],
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    {
     "date": "2010-06-19",
     "time": null,
     "place": "Johanneskerk, Gorinchem",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.destadgorinchem.nl/zakelijk/nieuws/525304/gook-doet-het-in-het-spaans",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/gook-doet-het-in-het-spaans-2010-gorinchem/"
  },
  {
   "id": "trial-by-jury-2010-arnhem",
   "title": "Trial by Jury",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "rijnstad-vocaaltheater"
   ],
   "performances": [
    {
     "date": "2010-10-10",
     "time": null,
     "place": "Arnhem; twee uitvoeringen",
     "venue": null
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   ],
   "sources": [
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   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2010-arnhem/"
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  {
   "id": "eine-nacht-in-venedig-2010-leiden",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "crescendo-leiden"
   ],
   "performances": [
    {
     "date": "2010-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2010-leiden/"
  },
  {
   "id": "les-bavards-2010-eindhoven",
   "title": "Les Bavards",
   "composer": "Jacques Offenbach",
   "librettist": "Charles Nuitter",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "academisch-genootschap-eindhoven"
   ],
   "performances": [
    {
     "date": "2010-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/les-bavards-2010-eindhoven/"
  },
  {
   "id": "princess-ida-2010-purmerend",
   "title": "Princess Ida",
   "composer": "Arthur Sullivan",
   "librettist": null,
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "mop-purmerend"
   ],
   "performances": [
    {
     "date": "2010-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/princess-ida-2010-purmerend/"
  },
  {
   "id": "the-gondoliers-2010-sint-anthonis",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-gezellen-sint-anthonis"
   ],
   "performances": [
    {
     "date": "2010-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-2010-sint-anthonis/"
  },
  {
   "id": "the-sorcerer-2010-krommenie",
   "title": "The Sorcerer",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "krommenieer-ov"
   ],
   "performances": [
    {
     "date": "2010-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/the-sorcerer-2010-krommenie/"
  },
  {
   "id": "the-gondoliers-2010-maastricht",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "opera-comique-maastricht"
   ],
   "performances": [
    {
     "date": "2010-11-04",
     "time": "20:15",
     "place": "La Bonbonnière, Maastricht",
     "venue": null
    },
    {
     "date": "2010-11-05",
     "time": "20:15",
     "place": "La Bonbonnière, Maastricht",
     "venue": null
    },
    {
     "date": "2010-11-06",
     "time": "20:15",
     "place": "La Bonbonnière, Maastricht",
     "venue": null
    },
    {
     "date": "2010-11-07",
     "time": "14:00",
     "place": "La Bonbonnière, Maastricht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.yumpu.com/nl/document/view/20490606/the-gondoliers-opera-comique-maastricht",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-2010-maastricht/"
  },
  {
   "id": "der-zigeunerbaron-2010-emmeloord",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheatervereniging-la-mascotte"
   ],
   "performances": [
    {
     "date": "2010-11-05",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    },
    {
     "date": "2010-11-06",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    },
    {
     "date": "2010-11-07",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.lamascotte.nl/gerealiseerde-producties-4/",
     "date": "2026-08-02"
    },
    {
     "url": "http://www.lamascotte.nl/uitvoeringen/zigeunerbaron.html",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2010-emmeloord/"
  },
  {
   "id": "baer-en-bertha-2011-venlo",
   "title": "Baer en Bertha",
   "composer": "Carl Michael Ziehrer",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "venloos-og"
   ],
   "performances": [
    {
     "date": "2011",
     "time": null,
     "place": "Venlo",
     "venue": null
    }
   ],
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    {
     "url": "https://theaterkoorvog.nl/baer-en-bertha/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/baer-en-bertha-2011-venlo/"
  },
  {
   "id": "boccaccio-2011-zaandam",
   "title": "Boccaccio",
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   "librettist": "F. Zell en Richard Genée",
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   "organizations": [
    "czaar-peter"
   ],
   "performances": [
    {
     "date": "2011",
     "time": null,
     "place": "Zaandam",
     "venue": null
    }
   ],
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    {
     "url": "https://czaar-peter.nl/?page_id=167",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-2011-zaandam/"
  },
  {
   "id": "de-bandieten-2011-kampen",
   "title": "De Bandieten",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "theaterkoor-caecilia-kampen"
   ],
   "performances": [
    {
     "date": "2011",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterkoorcaecilia.nl/producties/",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-bandieten-2011-kampen/"
  },
  {
   "id": "de-jantjes-2011-noordwijk",
   "title": "De Jantjes",
   "composer": "Louis Davids & Margie Morris",
   "librettist": "Herman Bouber",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-mozaiek"
   ],
   "performances": [
    {
     "date": "2011",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.vinden.nl/mb/operette+uitvoeringen/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-jantjes-2011-noordwijk/"
  },
  {
   "id": "der-zigeunerbaron-2011",
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   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette"
   ],
   "performances": [
    {
     "date": "2011",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-07-26"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2011/"
  },
  {
   "id": "die-fledermaus-2011-oostzaan",
   "title": "Die Fledermaus",
   "composer": "Johann Strauss jr.",
   "librettist": "Carl Haffner en Richard Genée",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "2011",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2010-2019/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-fledermaus-2011-oostzaan/"
  },
  {
   "id": "el-barberillo-de-lavapies-2011-haarlem",
   "title": "El Barberillo de Lavapiés",
   "composer": "Francisco Barbieri",
   "librettist": "Luis Mariano de Larra",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "hulsbergen"
   ],
   "performances": [
    {
     "date": "2011",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/el-barberillo-de-lavapies-2011-haarlem/"
  },
  {
   "id": "im-weissen-rossl-2011-mijdrecht",
   "title": "Im Weissen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rom-koor-mijdrecht"
   ],
   "performances": [
    {
     "date": "2011",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://rom-koor.weebly.com/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-2011-mijdrecht/"
  },
  {
   "id": "maske-in-blau-2011-alkmaar",
   "title": "Maske in Blau",
   "composer": "Fred Raymond",
   "librettist": "boek Heinz Hentschke, liedteksten Günther Schwenn",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [
    {
     "date": "2011",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.odeonoperette.nl/historisch-overzicht/",
     "date": "2026-08-13"
    },
    {
     "url": "https://www.odeonoperette.nl/recensies/",
     "date": "2026-08-13"
    },
    {
     "url": "https://www.odeonoperette.nl/?fotos=2011-maske-in-blau",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/maske-in-blau-2011-alkmaar/"
  },
  {
   "id": "maske-in-blau-2011-purmerend",
   "title": "Maske in Blau",
   "composer": "Fred Raymond",
   "librettist": "boek Heinz Hentschke, liedteksten Günther Schwenn",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "mop-purmerend"
   ],
   "performances": [
    {
     "date": "2011",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
    {
     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/maske-in-blau-2011-purmerend/"
  },
  {
   "id": "operagala-2011-weert",
   "title": "Operagala",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "wokmuziektheater"
   ],
   "performances": [
    {
     "date": "2011",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.wokmuziektheater.nl/producties/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/operagala-2011-weert/"
  },
  {
   "id": "de-barbier-van-madrid-2011-wormerveer",
   "title": "De Barbier van Madrid",
   "composer": "Francisco Barbieri",
   "librettist": "Luis Mariano de Larra",
   "music_credit": null,
   "translation": "Joop C. G. Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "zaanse-operette-vereniging"
   ],
   "performances": [
    {
     "date": "2011-01",
     "time": null,
     "place": "recensie NHD 24 januari; exacte speeldata niet teruggevonden",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.zaanseoperettevereniging.nl/multimedia.html",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-barbier-van-madrid-2011-wormerveer/"
  },
  {
   "id": "livrogne-corrige-2011-utrecht",
   "title": "L'ivrogne corrigé",
   "composer": "Christoph Willibald Gluck",
   "librettist": "Louis Anseaume en Lourdet de Santerre",
   "music_credit": null,
   "translation": "Jan-Jur Garvelink",
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "klein-operakoor-wilhelminapark"
   ],
   "performances": [
    {
     "date": "2011-01",
     "time": null,
     "place": "Winkel van Sinkel, Utrecht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.kleinoperakoor.nl/livrognecorrige",
     "date": "2026-08-18"
    },
    {
     "url": "https://web.archive.org/web/2019id_/https://kleinoperakoor.nl/index.php?Pag=20&Sub=2011gluck",
     "date": "2026-08-18"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/livrogne-corrige-2011-utrecht/"
  },
  {
   "id": "orpheus-in-de-onderwereld-2011-heiloo",
   "title": "Orpheus in de Onderwereld",
   "composer": "Jacques Offenbach",
   "librettist": "Hector Crémieux en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "heilooer-ov"
   ],
   "performances": [
    {
     "date": "2011-02-12",
     "time": null,
     "place": "toneelzaal GGZ NH-Noord, Heiloo",
     "venue": null
    },
    {
     "date": "2011-02-13",
     "time": null,
     "place": "toneelzaal GGZ NH-Noord, Heiloo",
     "venue": null
    },
    {
     "date": "2011-02-18",
     "time": null,
     "place": "toneelzaal GGZ NH-Noord, Heiloo",
     "venue": null
    },
    {
     "date": "2011-02-19",
     "time": null,
     "place": "toneelzaal GGZ NH-Noord, Heiloo",
     "venue": null
    },
    {
     "date": "2011-02-20",
     "time": null,
     "place": "toneelzaal GGZ NH-Noord, Heiloo",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2011-01-19/edition/null/page/13",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.heiloo-online.nl/nieuws/5740-jubileum-operette-verplaatst",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.heiloo-online.nl/nieuws/5047-orpheus-in-de-onderwereld",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orpheus-in-de-onderwereld-2011-heiloo/"
  },
  {
   "id": "patience-2011-zevenaar",
   "title": "Patience",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "amicitia-zevenaar"
   ],
   "performances": [
    {
     "date": "2011-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/patience-2011-zevenaar/"
  },
  {
   "id": "la-vie-parisienne-2011-diemen",
   "title": "La Vie Parisienne",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "edog"
   ],
   "performances": [
    {
     "date": "2011-03-18",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    },
    {
     "date": "2011-03-19",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.edog.nl/archief/la-vie-parisienne/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-vie-parisienne-2011-diemen/"
  },
  {
   "id": "el-barberillo-de-lavapies-2011-utrecht",
   "title": "El Barberillo de Lavapiés",
   "composer": "Francisco Barbieri",
   "librettist": "Luis Mariano de Larra",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "klein-operakoor-wilhelminapark"
   ],
   "performances": [
    {
     "date": "2011-06-16",
     "time": null,
     "place": "Wilhelminakerk, Utrecht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.kleinoperakoor.nl/barbiervanlavapies",
     "date": "2026-08-18"
    },
    {
     "url": "https://web.archive.org/web/2019id_/https://kleinoperakoor.nl/index.php?Pag=20&Sub=2011barbier",
     "date": "2026-08-18"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/el-barberillo-de-lavapies-2011-utrecht/"
  },
  {
   "id": "trial-by-jury-2011-amsterdam",
   "title": "Trial by Jury",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2011-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2011-amsterdam/"
  },
  {
   "id": "feestelijk-concert-2011-amstelveen",
   "title": "Feestelijk concert KLM-Mannenkoor en Animo",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "beverwijks-opera-en-operettekoor-animo"
   ],
   "performances": [
    {
     "date": "2011-10-16",
     "time": "14:00",
     "place": "Paaskerk, Amstelveen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.amstelveenweb.com/fotodisp&fotodisp=2000",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/feestelijk-concert-2011-amstelveen/"
  },
  {
   "id": "de-gondeliers-2012-zaandam",
   "title": "De Gondeliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "czaar-peter"
   ],
   "performances": [
    {
     "date": "2012",
     "time": null,
     "place": "Zaandam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://czaar-peter.nl/?page_id=167",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-gondeliers-2012-zaandam/"
  },
  {
   "id": "de-mikado-2012-noordwijk",
   "title": "De Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-mozaiek"
   ],
   "performances": [
    {
     "date": "2012",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://mozaiek-operette.nl/uitvoeringen.html",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-mikado-2012-noordwijk/"
  },
  {
   "id": "der-bettelstudent-2012-rosmalen",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-rosmalen"
   ],
   "performances": [
    {
     "date": "2012",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://operetterosmalen.nl/uitgevoerde-producties/",
     "date": "2026-07-26"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-2012-rosmalen/"
  },
  {
   "id": "der-zigeunerbaron-2012-wormerveer",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "o-m-zaanstad"
   ],
   "performances": [
    {
     "date": "2012",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2012-wormerveer/"
  },
  {
   "id": "la-fille-de-madame-angot-2012-leiden",
   "title": "La Fille de Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "crescendo-leiden"
   ],
   "performances": [
    {
     "date": "2012",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-2012-leiden/"
  },
  {
   "id": "la-perichole-2012-purmerend",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "mop-purmerend"
   ],
   "performances": [
    {
     "date": "2012",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
    {
     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    },
    {
     "url": "https://jaap-dijkhuis-producties.nl/regie",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2012-purmerend/"
  },
  {
   "id": "la-vie-parisienne-2012",
   "title": "La Vie Parisienne",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
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   ],
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     "date": "2026-08-18"
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    {
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     "place": "Veendam",
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   ],
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   ],
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     "date": "2012",
     "time": null,
     "place": "",
     "venue": null
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     "date": "2012",
     "time": null,
     "place": "Maastricht",
     "venue": null
    }
   ],
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     "url": "http://www.movmaastricht.nl/over-mov",
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     "date": "2012",
     "time": null,
     "place": "Floradorp, Amsterdam-Noord",
     "venue": null
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     "date": "2026-08-04"
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   "id": "the-mikado-2012-heiloo",
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   ],
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     "date": "2012-02-11",
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    {
     "date": "2012-02-12",
     "time": null,
     "place": "Theater De Beun, Heiloo",
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    {
     "date": "2012-02-18",
     "time": null,
     "place": "Theater De Beun, Heiloo",
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    {
     "date": "2012-02-19",
     "time": null,
     "place": "Theater De Beun, Heiloo",
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     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2012-02-15/edition/null/page/1",
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   "id": "der-vogelhandler-2012-hoorn",
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     "date": "2012-03",
     "time": null,
     "place": "",
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   "id": "el-barberillo-de-lavapies-2012-amsterdam",
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     "date": "2012-03",
     "time": null,
     "place": "",
     "venue": null
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     "date": "2026-08-06"
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   "id": "la-perichole-2012-zutphen",
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    {
     "date": "2012-03",
     "time": null,
     "place": "",
     "venue": null
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   "status": "past",
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     "date": "2012-03",
     "time": null,
     "place": "",
     "venue": null
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    {
     "date": "2012-03",
     "time": null,
     "place": "",
     "venue": null
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   ],
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     "url": "https://thaliaharen.nl/wp-content/uploads/2024/12/Thalia-60-jaar-juiste-versie.pdf",
     "date": "2026-08-03"
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   "url": "https://operetteinnederland.nl/productie/the-sorcerer-2012-haren/"
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   "librettist": "boek Otto Harbach, Oscar Hammerstein II en Frank Mandel, liedteksten Otto Harbach en Oscar Hammerstein II",
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   "translation": null,
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     "date": "2012-03-23",
     "time": null,
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     "venue": null
    },
    {
     "date": "2012-03-24",
     "time": null,
     "place": "Diemer Operette Theater (Sporthal), Diemen",
     "venue": null
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     "date": "2026-08-02"
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   "url": "https://operetteinnederland.nl/productie/the-desert-song-2012-diemen/"
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   "id": "de-tsaar-en-de-timmerman-2012-stadskanaal",
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     "date": "2012-03-30",
     "time": null,
     "place": "",
     "venue": null
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    {
     "date": "2012-04-01",
     "time": null,
     "place": "",
     "venue": null
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     "url": "http://www.stoperette.nl/index.php/theaterproducties",
     "date": "2026-08-13"
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    {
     "url": "http://www.stoperette.nl/",
     "date": "2026-08-13"
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    {
     "url": "http://www.stoperette.nl/index.php/theaterproducties/rolverdeling-de-tsaar",
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   "id": "der-zigeunerbaron-my-fair-lady-2012-almere",
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     "date": "2012-04-15",
     "time": null,
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     "date": "2026-08-10"
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     "date": "2012-06",
     "time": null,
     "place": "",
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     "date": "2012-06-14",
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     "venue": null
    },
    {
     "date": "2012-06-18",
     "time": null,
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     "venue": null
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     "url": "https://carminaludicra.wordpress.com/projecten/trial-by-jury/",
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     "date": "2012-10",
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    {
     "date": "2012-11-03",
     "time": null,
     "place": "TAQA Theater De Vest, Alkmaar",
     "venue": null
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   ],
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     "date": "2026-08-02"
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   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2012-alkmaar/"
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    "operettevereniging-odeon"
   ],
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     "date": "2013",
     "time": null,
     "place": "",
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     "date": "2026-08-13"
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    {
     "url": "https://www.odeonoperette.nl/recensies/",
     "date": "2026-08-13"
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   ],
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    {
     "date": "2013",
     "time": null,
     "place": "",
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    }
   ],
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     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
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   "url": "https://operetteinnederland.nl/productie/boccacio-2013/"
  },
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   "id": "de-melodieen-express-2013-rosmalen",
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   "librettist": null,
   "music_credit": null,
   "translation": null,
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     "date": "2013",
     "time": null,
     "place": "Rosmalen",
     "venue": null
    }
   ],
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     "date": "2026-08-02"
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   "url": "https://operetteinnederland.nl/productie/de-melodieen-express-2013-rosmalen/"
  },
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   "id": "die-csardasfurstin-2013-almelo",
   "title": "Die Csárdásfürstin",
   "composer": "Emmerich Kálmán",
   "librettist": "Leo Stein en Béla Jenbach",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   ],
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     "date": "2013",
     "time": null,
     "place": "Almelo",
     "venue": null
    }
   ],
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     "date": "2026-08-09"
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   "url": "https://operetteinnederland.nl/productie/die-csardasfurstin-2013-almelo/"
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     "time": null,
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     "date": "2013-06-15",
     "time": "20:15",
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     "date": "2013-06-16",
     "time": "14:30",
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     "date": "2013-06-16",
     "time": "20:15",
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     "date": "2013-06-29",
     "time": null,
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    {
     "date": "2013-06-30",
     "time": null,
     "place": "Theater Zuidplein, Rotterdam",
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     "date": "2013-11",
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     "place": "",
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     "date": "2013-11-17",
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     "time": null,
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     "date": "2013-11-24",
     "time": null,
     "place": "Oostzaan",
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     "date": "2013-11-30",
     "time": null,
     "place": "Oostzaan",
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   "translation": "Gerard Knoppers",
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     "time": null,
     "place": "Emmeloord",
     "venue": null
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   "translation": null,
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   "status": "past",
   "organizations": [
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     "date": "2014",
     "time": null,
     "place": "",
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   "translation": null,
   "category": "core",
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     "date": "2014",
     "time": null,
     "place": "",
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   "translation": "Joop Fransen",
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   "status": "past",
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    {
     "date": "2014",
     "time": null,
     "place": "",
     "venue": null
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     "url": "http://mozaiek-operette.nl/uitvoeringen.html",
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   "id": "eine-nacht-in-venedig-2014-zaandam",
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   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
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   ],
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    {
     "date": "2014",
     "time": null,
     "place": "Zaandam",
     "venue": null
    }
   ],
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     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2014-zaandam/"
  },
  {
   "id": "im-weissen-rossl-2014-purmerend",
   "title": "Im weissen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "mop-purmerend"
   ],
   "performances": [
    {
     "date": "2014",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
    {
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    }
   ],
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  },
  {
   "id": "la-fille-de-madame-angot-2014-oostzaan",
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   "composer": "Charles Lecocq",
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   "translation": "Joop Fransen",
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   "status": "past",
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    "bel-canto-oostzaan"
   ],
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    {
     "date": "2014",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
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    }
   ],
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  },
  {
   "id": "ludwig-2014",
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   "librettist": null,
   "music_credit": null,
   "translation": null,
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   ],
   "performances": [
    {
     "date": "2014",
     "time": null,
     "place": "Theaterfestival de Parade",
     "venue": null
    }
   ],
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     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/ludwig-2014/"
  },
  {
   "id": "t-meideke-vaan-medam-andre-2014-maastricht",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   ],
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    {
     "date": "2014",
     "time": null,
     "place": "Maastricht",
     "venue": null
    }
   ],
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    {
     "url": "http://www.movmaastricht.nl/over-mov",
     "date": "2026-08-02"
    },
    {
     "url": "http://www.movmaastricht.nl/fotogalerij",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/t-meideke-vaan-medam-andre-2014-maastricht/"
  },
  {
   "id": "the-mikado-2014",
   "title": "The Mikado",
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   "music_credit": null,
   "translation": "Gerard Knoppers",
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   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2014",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-07-26"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-2014/"
  },
  {
   "id": "trial-by-jury-2014-utrecht",
   "title": "Trial by Jury",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "klein-operakoor-wilhelminapark"
   ],
   "performances": [
    {
     "date": "2014",
     "time": null,
     "place": "Winkel van Sinkel, Utrecht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.kleinoperakoor.nl/trialbyjury",
     "date": "2026-08-18"
    },
    {
     "url": "https://web.archive.org/web/2019id_/https://kleinoperakoor.nl/index.php?Pag=20&Sub=2014trial",
     "date": "2026-08-18"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2014-utrecht/"
  },
  {
   "id": "de-klokken-van-corneville-2014-heiloo",
   "title": "De Klokken van Corneville",
   "composer": "Robert Planquette",
   "librettist": "Louis Clairville en Charles Gabet",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "heilooer-ov"
   ],
   "performances": [
    {
     "date": "2014-02-08",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2014-02-09",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2014-02-15",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2014-02-16",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    }
   ],
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    {
     "url": "https://www.heiloo-online.nl/nieuws/8697-operette-brengt-klokken-corneville",
     "date": "2026-08-02"
    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2014-01-29/edition/null/page/3",
     "date": "2026-08-02"
    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2014-02-12/edition/null/page/7",
     "date": "2026-08-02"
    },
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
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   ],
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  },
  {
   "id": "the-zoo-2014-amsterdam",
   "title": "The Zoo",
   "composer": "Arthur Sullivan",
   "librettist": "B.C. Stephenson",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2014-04",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-zoo-2014-amsterdam/"
  },
  {
   "id": "barbe-bleue-2014-tilburg",
   "title": "Barbe-Bleue",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "muzemento"
   ],
   "performances": [
    {
     "date": "2014-05",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/barbe-bleue-2014-tilburg/"
  },
  {
   "id": "volksopera-ondiep-2014-utrecht",
   "title": "Volksopera Ondiep",
   "composer": null,
   "librettist": null,
   "music_credit": "samengesteld uit bekende opera-aria's",
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2014-05",
     "time": null,
     "place": "Ondiep, Utrecht",
     "venue": null
    }
   ],
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     "url": "https://www.volksopera.nl/behaalde-resultaten/",
     "date": "2026-08-04"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/volksopera-ondiep-2014-utrecht/"
  },
  {
   "id": "the-zoo-2014-nijmegen",
   "title": "The Zoo",
   "composer": "Arthur Sullivan",
   "librettist": "B.C. Stephenson",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2014-06-10",
     "time": null,
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    },
    {
     "date": "2014-06-11",
     "time": null,
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    }
   ],
   "sources": [
    {
     "url": "https://www.carminaludicra.nl/projecten/the-zoo/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-zoo-2014-nijmegen/"
  },
  {
   "id": "die-fledermaus-2014-rotterdam",
   "title": "Die Fledermaus",
   "composer": "Johann Strauss jr.",
   "librettist": "Carl Haffner en Richard Genée",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "irene-rotterdam"
   ],
   "performances": [
    {
     "date": "2014-07",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-fledermaus-2014-rotterdam/"
  },
  {
   "id": "lile-de-tulipatan-2014-amsterdam",
   "title": "L'Île de Tulipatan",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Chivot en Alfred Duru",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2014-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-06"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/lile-de-tulipatan-2014-amsterdam/"
  },
  {
   "id": "the-pirates-of-penzance-2014-schermerhorn",
   "title": "The Pirates of Penzance",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2014-10",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-pirates-of-penzance-2014-schermerhorn/"
  },
  {
   "id": "trial-by-jury-2014-noordwijk-seaside",
   "title": "Trial by Jury",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [],
   "performances": [
    {
     "date": "2014-11",
     "time": null,
     "place": "Noordwijk; twee uitvoeringen",
     "venue": null
    }
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     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2014-noordwijk-seaside/"
  },
  {
   "id": "la-fille-de-madame-angot-2014-alkmaar",
   "title": "La Fille de Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [
    {
     "date": "2014-11-08",
     "time": "20:15",
     "place": "TAQA Theater De Vest, Alkmaar",
     "venue": null
    },
    {
     "date": "2014-11-09",
     "time": "14:30",
     "place": "TAQA Theater De Vest, Alkmaar",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://streekstadcentraal.nl/8233-odeon-operette-presenteert-la-fille-de-madame-angot",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-2014-alkmaar/"
  },
  {
   "id": "der-wildschutz-2015",
   "title": "Der Wildschütz",
   "composer": "Albert Lortzing",
   "librettist": "Albert Lortzing",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette"
   ],
   "performances": [
    {
     "date": "2015",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-07-26"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-wildschutz-2015/"
  },
  {
   "id": "der-zigeunerbaron-2015-oostzaan",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "2015",
     "time": null,
     "place": "Oostzaan",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2010-2019/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2015-oostzaan/"
  },
  {
   "id": "der-zigeunerbaron-2015-zaandam",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "czaar-peter"
   ],
   "performances": [
    {
     "date": "2015",
     "time": null,
     "place": "Zaandam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://czaar-peter.nl/?page_id=167",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.zaanwiki.nl/encyclopedie/doku.php?id=opera",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-2015-zaandam/"
  },
  {
   "id": "die-lustige-witwe-2015-emmeloord",
   "title": "Die Lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheatervereniging-la-mascotte"
   ],
   "performances": [
    {
     "date": "2015",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.lamascotte.nl/gerealiseerde-producties-4/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.lamascotte.nl/home-4/new-page-3/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-2015-emmeloord/"
  },
  {
   "id": "fruhjahrsparade-2015-veendam",
   "title": "Frühjahrsparade",
   "composer": "Robert Stolz",
   "librettist": "Ernst Marischka, Ernst Neubach en Hugo Wiener",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "ovw-muziektheater"
   ],
   "performances": [
    {
     "date": "2015",
     "time": null,
     "place": "Veendam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://operetteovw.nl/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/fruhjahrsparade-2015-veendam/"
  },
  {
   "id": "la-gran-esperanza-2015-maastricht",
   "title": "La Gran Esperanza",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "opera-comique-maastricht"
   ],
   "performances": [
    {
     "date": "2015",
     "time": null,
     "place": "Bordenhal van Toneelgroep Maastricht; coproductie met Buurttheater Maastricht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://buurttheatermaastricht.nl/en/about-us/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-gran-esperanza-2015-maastricht/"
  },
  {
   "id": "les-brigands-2015-amsterdam",
   "title": "Les Brigands",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2015",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://thalia-amsterdam.nl/site/voorstellingen/gespeelde-werken/",
     "date": "2026-08-04"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-brigands-2015-amsterdam/"
  },
  {
   "id": "les-cloches-de-corneville-2015-wormerveer",
   "title": "Les Cloches de Corneville",
   "composer": "Robert Planquette",
   "librettist": "Louis Clairville en Charles Gabet",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "o-m-zaanstad"
   ],
   "performances": [
    {
     "date": "2015",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-cloches-de-corneville-2015-wormerveer/"
  },
  {
   "id": "la-belle-helene-2015-heiloo",
   "title": "La belle Hélène",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
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   ],
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    {
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     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2015-02-08",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2015-02-14",
     "time": null,
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     "venue": "theater-de-beun"
    },
    {
     "date": "2015-02-15",
     "time": null,
     "place": "Theater De Beun, Heiloo",
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   ],
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    {
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  },
  {
   "id": "wiener-blut-2015-winschoten",
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   ],
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    {
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   ],
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   "id": "eine-nacht-in-venedig-2015-hoorn",
   "title": "Eine Nacht in Venedig",
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    {
     "date": "2015-03-14",
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    },
    {
     "date": "2015-03-15",
     "time": null,
     "place": "Schouwburg het Park, Hoorn; middagvoorstelling, als vanouds voor de Zonnebloem",
     "venue": null
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   ],
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    {
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    }
   ],
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     "place": "Kamp Westerbork, bij de Rampe",
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   ],
   "url": "https://operetteinnederland.nl/productie/concert-van-hoop-2015-westerbork/"
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     "venue": null
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    {
     "date": "2015-04-25",
     "time": null,
     "place": "Regenboogkerk, Oegstgeest",
     "venue": null
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   ],
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    {
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   "title": "The Sorcerer",
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     "date": "2015-05-21",
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     "place": "Theater De Lindenberg, Nijmegen",
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    {
     "date": "2015-05-22",
     "time": null,
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
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    {
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   "id": "het-liefdeselixer-2015-utrecht",
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     "place": "Stadsschouwburg Utrecht",
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   ],
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    {
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   ],
   "url": "https://operetteinnederland.nl/productie/het-liefdeselixer-2015-utrecht/"
  },
  {
   "id": "straussvogel-haarlem",
   "title": "Straussvogel",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
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    {
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     "time": null,
     "place": "Festival de Parade, Amsterdam; de gerecenseerde voorstelling",
     "venue": null
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   ],
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    {
     "url": "https://www.grootsenmeeslepend.nl/voorstellingen/straussvogel/",
     "date": "2026-08-14"
    },
    {
     "url": "https://www.theaterkrant.nl/recensie/straussvogel/groots-en-meeslepend/",
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   ],
   "url": "https://operetteinnederland.nl/productie/straussvogel-haarlem/"
  },
  {
   "id": "victoria-und-ihr-husar-2015-noordwijk",
   "title": "Victoria und ihr Husar",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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    {
     "date": "2015-10-30",
     "time": null,
     "place": "Theater De Muze, Noordwijk",
     "venue": null
    },
    {
     "date": "2015-10-31",
     "time": null,
     "place": "Theater De Muze, Noordwijk",
     "venue": null
    },
    {
     "date": "2015-11-01",
     "time": null,
     "place": "Theater De Muze, Noordwijk",
     "venue": null
    }
   ],
   "sources": [
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     "url": "http://mozaiek-operette.nl/uitvoeringen.html",
     "date": "2026-08-06"
    },
    {
     "url": "https://www.blikopnoordwijk.nl/item/6966-",
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   ],
   "url": "https://operetteinnederland.nl/productie/victoria-und-ihr-husar-2015-noordwijk/"
  },
  {
   "id": "la-perichole-2015-hengelo",
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   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
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   ],
   "performances": [
    {
     "date": "2015-11",
     "time": null,
     "place": "",
     "venue": null
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     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2015-hengelo/"
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  {
   "id": "het-medaillon-2015-purmerend",
   "title": "Het Medaillon",
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   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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    {
     "date": "2015-11-07",
     "time": null,
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    },
    {
     "date": "2015-11-08",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    },
    {
     "date": "2015-11-14",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    },
    {
     "date": "2015-11-15",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    },
    {
     "date": "2015-11-21",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
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   ],
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    {
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   "translation": "Joop Fransen",
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   "status": "past",
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    {
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     "time": null,
     "place": "TAQA Theater De Vest, Alkmaar",
     "venue": null
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   ],
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   "music_credit": null,
   "translation": null,
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   "performances": [
    {
     "date": "2015-11-21",
     "time": null,
     "place": "Theater Markant, Uden",
     "venue": null
    },
    {
     "date": "2015-11-22",
     "time": null,
     "place": "Theater Markant, Uden",
     "venue": null
    }
   ],
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     "date": "2026-08-08"
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    {
     "url": "https://vivalamusica.nl/tijdlijn/",
     "date": "2026-08-08"
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   "url": "https://operetteinnederland.nl/productie/die-fledermaus-in-de-onderwereld-2015-uden/"
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   "id": "de-geis-vaan-mestreech-2016-maastricht",
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   "music_credit": null,
   "translation": null,
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     "date": "2016",
     "time": null,
     "place": "Maastricht",
     "venue": null
    }
   ],
   "sources": [
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     "url": "http://www.movmaastricht.nl/over-mov",
     "date": "2026-08-02"
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    {
     "url": "http://www.movmaastricht.nl/fotogalerij",
     "date": "2026-08-02"
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   "url": "https://operetteinnederland.nl/productie/de-geis-vaan-mestreech-2016-maastricht/"
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   "id": "die-fledermaus-2016",
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   "translation": null,
   "category": "core",
   "status": "past",
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     "date": "2016",
     "time": null,
     "place": "",
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   ],
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    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-07-26"
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     "date": "2026-08-20"
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   "id": "die-goldne-meisterin-2016-veendam",
   "title": "Die Gold'ne Meisterin",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   ],
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     "date": "2016",
     "time": null,
     "place": "Veendam",
     "venue": null
    }
   ],
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     "url": "https://operetteovw.nl/",
     "date": "2026-08-03"
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   ],
   "url": "https://operetteinnederland.nl/productie/die-goldne-meisterin-2016-veendam/"
  },
  {
   "id": "fruhjahrsparade-2016-noordwijk",
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   "composer": "Robert Stolz",
   "librettist": "Ernst Marischka, Ernst Neubach en Hugo Wiener",
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   "translation": null,
   "category": "core",
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     "date": "2016",
     "time": null,
     "place": "",
     "venue": null
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   ],
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   "url": "https://operetteinnederland.nl/productie/fruhjahrsparade-2016-noordwijk/"
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  {
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   "librettist": "W.S. Gilbert",
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   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
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   ],
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    {
     "date": "2016",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
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   ],
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     "date": "2026-08-02"
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   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-2016-purmerend/"
  },
  {
   "id": "the-gondoliers-2016-wormerveer",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2016",
     "time": null,
     "place": "",
     "venue": null
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   ],
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     "date": "2026-08-20"
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   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-2016-wormerveer/"
  },
  {
   "id": "the-pirates-of-penzance-2016-rotterdam",
   "title": "The Pirates of Penzance",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
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   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2016",
     "time": null,
     "place": "Rotterdam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://didomus.nl/ervaring-van-koordirigent-mathieu-smit/",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-pirates-of-penzance-2016-rotterdam/"
  },
  {
   "id": "volksopera-van-der-pek-2016-amsterdam",
   "title": "Volksopera Van der Pek",
   "composer": null,
   "librettist": null,
   "music_credit": "samengesteld uit bekende opera-aria's",
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2016",
     "time": null,
     "place": "Van der Pekbuurt, Amsterdam-Noord",
     "venue": null
    }
   ],
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    {
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     "date": "2026-08-04"
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   ],
   "url": "https://operetteinnederland.nl/productie/volksopera-van-der-pek-2016-amsterdam/"
  },
  {
   "id": "der-zigeunerbaron-2016-hoogezand",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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    "stadskanaalster-ov"
   ],
   "performances": [
    {
     "date": "2016-02-13",
     "time": null,
     "place": "'t Kielzog, Hoogezand; 20:00",
     "venue": null
    },
    {
     "date": "2016-02-14",
     "time": null,
     "place": "'t Kielzog, Hoogezand; 14:30",
     "venue": null
    },
    {
     "date": "2016-03-05",
     "time": null,
     "place": "Theater Geert Teis, Stadskanaal",
     "venue": null
    },
    {
     "date": "2016-03-06",
     "time": null,
     "place": "Theater Geert Teis, Stadskanaal",
     "venue": null
    }
   ],
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    {
     "url": "http://www.proburletta.nl/?p=296",
     "date": "2026-08-06"
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     "time": null,
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     "date": "2017",
     "time": null,
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     "date": "2017",
     "time": null,
     "place": "Emmeloord",
     "venue": null
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   "id": "the-pirates-of-penzance-2017-zaandam",
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     "date": "2017",
     "time": null,
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   "translation": "Joop Fransen",
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    {
     "date": "2017",
     "time": null,
     "place": "Oostzaan",
     "venue": null
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     "date": "2026-08-02"
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   "translation": null,
   "category": "core",
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     "date": "2017-02-12",
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     "place": "Theater De Beun, Heiloo",
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    {
     "date": "2017-02-18",
     "time": null,
     "place": "Theater De Beun, Heiloo",
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    {
     "date": "2017-02-19",
     "time": null,
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     "date": "2026-08-02"
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    {
     "url": "https://www.uitkijkpost.nl/nieuws/cultuur/22700/rijke-weduwe-redt-vaderland-bij-heilooer-operette-vereniging",
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    {
     "date": "2017-02-18",
     "time": "14:30",
     "place": "Theater De Lindenberg, Nijmegen",
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    },
    {
     "date": "2017-02-18",
     "time": "20:30",
     "place": "Theater De Lindenberg, Nijmegen",
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     "date": "2026-08-03"
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   "translation": null,
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     "time": null,
     "place": "Cultuurcentrum vanBeresteyn, Veendam; premiere 20.00",
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    },
    {
     "date": "2017-03-18",
     "time": null,
     "place": "Cultuurcentrum vanBeresteyn, Veendam",
     "venue": null
    },
    {
     "date": "2017-03-19",
     "time": null,
     "place": "Cultuurcentrum vanBeresteyn, Veendam",
     "venue": null
    },
    {
     "date": "2017-03-25",
     "time": null,
     "place": "De Klinker, Winschoten",
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   ],
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     "date": "2026-08-03"
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    {
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   "id": "the-zoo-2017-oss",
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   "librettist": "B.C. Stephenson",
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   "translation": "Rein Boeijen",
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     "time": null,
     "place": "Rabozaal, Theater De Lievekamp, Oss; jubileumvoorstelling Confetti & ZoO",
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    },
    {
     "date": "2017-03-26",
     "time": null,
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    },
    {
     "date": "2017-04-22",
     "time": null,
     "place": "Alphen (bij Tilburg); met volledige bezetting van koor, solisten en orkest",
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    {
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     "place": "voor De Zonnebloem, wijkcentrum De Huesmolen, Hoorn — doelgroepmiddag",
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    {
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   "id": "la-belle-helene-2017-zoetermeer",
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     "date": "2017-04-05",
     "time": null,
     "place": "Oostblok, Amsterdam",
     "venue": null
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    {
     "date": "2017-04-06",
     "time": null,
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    {
     "date": "2017-04-07",
     "time": null,
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     "venue": null
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     "date": "2017-04-22",
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     "venue": null
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     "date": "2017-05-28",
     "time": null,
     "place": "Oude Jeroenskerk, Noordwijk",
     "venue": null
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   "id": "une-soiree-demasquee-2017-bunnik",
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     "date": "2017-06",
     "time": null,
     "place": "Kasteel Rhijnauwen / Landhuis De Ridderhofstad, Bunnik",
     "venue": null
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   ],
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    {
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    {
     "url": "https://web.archive.org/web/2019id_/https://kleinoperakoor.nl/index.php?Pag=20&Sub=2017soiree",
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   "id": "les-bavards-2017",
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     "date": "2017-07-10",
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    {
     "date": "2017-07-12",
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     "venue": null
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     "date": "2017-07-13",
     "time": null,
     "place": "Theater De Kik (Elst) of Polanentheater (Amsterdam)",
     "venue": null
    }
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   "translation": "Joop Fransen",
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     "date": "2017-11-10",
     "time": null,
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
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    {
     "date": "2017-11-11",
     "time": null,
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
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    {
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   "id": "the-zoo-2017-nijmeegs-kamerkoor",
   "title": "The Zoo",
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    {
     "date": "2017-11-11",
     "time": null,
     "place": "Nijmegen; jubileumproductie",
     "venue": null
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     "date": "2026-08-21"
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   "id": "gasparone-2017-alkmaar",
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     "date": "2017-11-12",
     "time": null,
     "place": "TAQA Theater De Vest, Alkmaar",
     "venue": null
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     "date": "2026-08-02"
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   "id": "steefs-operette-uurtje-2018",
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     "date": "2017-12-01",
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     "venue": null
    },
    {
     "date": "2018",
     "time": null,
     "place": "Theaterfestival de Parade",
     "venue": null
    }
   ],
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     "url": "https://www.grootsenmeeslepend.nl/over-ons/",
     "date": "2026-08-03"
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    {
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    },
    {
     "url": "https://www.theaterkrant.nl/recensie/steefs-operette-uurtje/steef-de-jong-groots-en-meeslepend-bellevue-lunchtheater/",
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   "id": "clairette-2018-emmeloord",
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   "music_credit": null,
   "translation": null,
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    {
     "date": "2018",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    }
   ],
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    {
     "url": "https://www.lamascotte.nl/gerealiseerde-producties-4/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.lamascotte.nl/home-4/new-page-3/",
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   "id": "door-mergel-en-bein-2018-maastricht",
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    {
     "date": "2018",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "http://www.movmaastricht.nl/over-mov",
     "date": "2026-08-16"
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   "id": "iolanthe-2018-leiden",
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   "translation": null,
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   "organizations": [
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   "performances": [
    {
     "date": "2018",
     "time": null,
     "place": "Leiden",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://www.operafesta.nl/over-ons/",
     "date": "2026-08-06"
    },
    {
     "url": "https://sleutelstad.nl/2025/06/24/opera-festa-scratch-met-strauss/",
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   "id": "orpheus-in-de-onderwereld-2018-oostzaan",
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   "translation": "Joop Fransen",
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    {
     "date": "2018",
     "time": null,
     "place": "",
     "venue": null
    }
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    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2010-2019/",
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   "id": "sisi-boy-2018",
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   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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    {
     "date": "2018",
     "time": null,
     "place": "Theaterfestival de Parade",
     "venue": null
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     "url": "https://www.grootsenmeeslepend.nl/over-ons/",
     "date": "2026-08-03"
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   "url": "https://operetteinnederland.nl/productie/sisi-boy-2018/"
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   "id": "the-pirates-of-penzance-2018",
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   "translation": "Gerard Knoppers",
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   "status": "past",
   "organizations": [
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    {
     "date": "2018",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
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     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-07-26"
    }
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   "url": "https://operetteinnederland.nl/productie/the-pirates-of-penzance-2018/"
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   "id": "volksopera-vogelbuurt-2018-amsterdam",
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   "librettist": null,
   "music_credit": "samengesteld uit bekende opera-aria's",
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
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    {
     "date": "2018",
     "time": null,
     "place": "Vogelbuurt, Amsterdam-Noord",
     "venue": null
    }
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     "url": "https://www.volksopera.nl/behaalde-resultaten/",
     "date": "2026-08-04"
    }
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   "url": "https://operetteinnederland.nl/productie/volksopera-vogelbuurt-2018-amsterdam/"
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   "id": "la-mascotte-2018-heiloo",
   "title": "La Mascotte",
   "composer": "Edmond Audran",
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   "music_credit": null,
   "translation": null,
   "category": "core",
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   "organizations": [
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   "performances": [
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     "date": "2018-02-10",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2018-02-11",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2018-02-17",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2018-02-18",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    }
   ],
   "sources": [
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     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2018-01-31/edition/null/page/3",
     "date": "2026-08-02"
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    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2018-03-14/edition/null/page/7",
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   "url": "https://operetteinnederland.nl/productie/la-mascotte-2018-heiloo/"
  },
  {
   "id": "orfeo-2018",
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
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   "performances": [
    {
     "date": "2018-03-03",
     "time": null,
     "place": "première, Toneelschuur, Haarlem",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://www.grootsenmeeslepend.nl/over-ons/",
     "date": "2026-08-03"
    },
    {
     "url": "https://nl.wikipedia.org/wiki/Steef_de_Jong",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.operamagazine.nl/featured/43311/orfeo-wonderschoon-drama-van-karton/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.grootsenmeeslepend.nl/orfeo/",
     "date": "2026-08-10"
    },
    {
     "url": "https://theaterencyclopedie.nl/wiki/Orfeo,_een_drama_van_karton_-_Groots_en_Meeslepend_-_2018-03-03",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.nrc.nl/nieuws/2018/01/04/steef-de-jongtheater-staat-haaks-op-de-werkelijkheid-a1586949",
     "date": "2026-08-10"
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   ],
   "url": "https://operetteinnederland.nl/productie/orfeo-2018/"
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   "id": "die-zirkusprinzessin-2018-veendam",
   "title": "Die Zirkusprinzessin",
   "composer": "Emmerich Kálmán",
   "librettist": "Julius Brammer en Alfred Grünwald",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   "performances": [
    {
     "date": "2018-03-09",
     "time": "20:00",
     "place": "Cultuurcentrum vanBeresteyn, Veendam; premiere",
     "venue": null
    },
    {
     "date": "2018-03-10",
     "time": "20:00",
     "place": "Cultuurcentrum vanBeresteyn, Veendam",
     "venue": null
    },
    {
     "date": "2018-03-11",
     "time": "14:30",
     "place": "Cultuurcentrum vanBeresteyn, Veendam",
     "venue": null
    },
    {
     "date": "2018-03-16",
     "time": null,
     "place": "De Klinker, Winschoten",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://rtveen.nl/2018/02/28/drukke-tijden-operettevereniging-veendam-wildervank/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-zirkusprinzessin-2018-veendam/"
  },
  {
   "id": "la-vie-en-france-2018-zaandam",
   "title": "La vie en France",
   "composer": "Oskar Nedbal",
   "librettist": "Leo Stein",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "czaar-peter"
   ],
   "performances": [
    {
     "date": "2018-03-17",
     "time": null,
     "place": "Zaantheater, Zaandam (20:15)",
     "venue": null
    },
    {
     "date": "2018-03-18",
     "time": null,
     "place": "Zaantheater, Zaandam (14:15)",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://czaar-peter.nl/?page_id=785",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.rodi.nl/zaanstad/nieuws/16832/-czaar-peter",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-vie-en-france-2018-zaandam/"
  },
  {
   "id": "hallo-lente-2018-delfzijl",
   "title": "Voorjaarsconcert 'Hallo Lente'",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2018-03-18",
     "time": null,
     "place": "St. Josephkerk, Delfzijl",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.eemskrant.nl/voorjaarsconcert-hallo-lente-d-o-o-k-en-magellan-singers/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/hallo-lente-2018-delfzijl/"
  },
  {
   "id": "der-vogelhandler-2018-zoetermeer",
   "title": "Der Vogelhändler",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "cantiamo-zoetermeer"
   ],
   "performances": [
    {
     "date": "2018-03-24",
     "time": null,
     "place": "Stadstheater Zoetermeer",
     "venue": "stadstheater-zoetermeer"
    },
    {
     "date": "2018-03-25",
     "time": null,
     "place": "Stadstheater Zoetermeer",
     "venue": "stadstheater-zoetermeer"
    }
   ],
   "sources": [
    {
     "url": "https://www.voordekunst.nl/projecten/6750-operette-der-vogelhandler",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.theater.nl/der-vogelhaendler-cantiamo",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2018-zoetermeer/"
  },
  {
   "id": "la-vie-parisienne-2018-amsterdam",
   "title": "La Vie Parisienne",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2018-04-22",
     "time": "14:00",
     "place": "Theater Zuider Amstel Kanaal, Amsterdam",
     "venue": null
    },
    {
     "date": "2018-04-29",
     "time": "14:00",
     "place": "Theater Zuider Amstel Kanaal, Amsterdam",
     "venue": null
    },
    {
     "date": "2018-05-06",
     "time": "14:00",
     "place": "Theater Zuider Amstel Kanaal, Amsterdam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://janpaulvanspaendonck.blogspot.com/2018/04/zwaaien-en-draaien-een-dolle-boel.html",
     "date": "2026-08-04"
    },
    {
     "url": "http://janpaulvanspaendonck.blogspot.com/2018/04/",
     "date": "2026-08-04"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-vie-parisienne-2018-amsterdam/"
  },
  {
   "id": "la-fille-de-madame-angot-2018-nijmegen",
   "title": "La Fille de Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "carmina-ludicra"
   ],
   "performances": [
    {
     "date": "2018-07-06",
     "time": "20:00",
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    },
    {
     "date": "2018-07-07",
     "time": "20:00",
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    }
   ],
   "sources": [
    {
     "url": "https://www.carminaludicra.nl/projecten/la-fille-de-madame-angot/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.theater.nl/la-fille-de-madame-angot-carmina-ludicra",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-2018-nijmegen/"
  },
  {
   "id": "the-mikado-2018-utrecht",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "klein-operakoor-wilhelminapark"
   ],
   "performances": [
    {
     "date": "2018-10-06",
     "time": null,
     "place": "ZIMIHC theater Zuilen, Utrecht",
     "venue": null
    },
    {
     "date": "2018-10-07",
     "time": null,
     "place": "ZIMIHC theater Zuilen, Utrecht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.kleinoperakoor.nl/mikado",
     "date": "2026-08-18"
    },
    {
     "url": "https://web.archive.org/web/2019id_/https://kleinoperakoor.nl/index.php?Pag=20&Sub=2018mikado",
     "date": "2026-08-18"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-2018-utrecht/"
  },
  {
   "id": "operette-sing-along-2018-amsterdam",
   "title": "Nostalgische Operette Sing-Along",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2018-10-28",
     "time": "14:30",
     "place": "Muiderkerk, Amsterdam",
     "venue": null
    },
    {
     "date": "2018-11-04",
     "time": "14:30",
     "place": "Willem de Zwijgerkerk, Amsterdam",
     "venue": null
    },
    {
     "date": "2018-11-11",
     "time": "14:30",
     "place": "Willem de Zwijgerkerk, Amsterdam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://theaterparadijs.nl/muziek/thalia-laat-operette-herleven-in-een-nostalgisch-operette-sing-along-concert",
     "date": "2026-08-04"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/operette-sing-along-2018-amsterdam/"
  },
  {
   "id": "venetiaanse-perikelen-2018-bovenkarspel-hoorn",
   "title": "Venetiaanse perikelen",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "vocaal-theater-groep-unicorno"
   ],
   "performances": [
    {
     "date": "2018-10-28",
     "time": "14:30",
     "place": "Theater Hét Postkantoor, Bovenkarspel",
     "venue": null
    },
    {
     "date": "2018-12-16",
     "time": "20:00",
     "place": "wijkcentrum De Huesmolen, Hoorn",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.unicorno.nl/archief/",
     "date": "2026-08-14"
    },
    {
     "url": "https://unicorno.nl/UniCourant3.pdf",
     "date": "2026-08-14"
    },
    {
     "url": "http://unicorno.nl/Unicourant%201,%20november%202017.pdf",
     "date": "2026-08-14"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/venetiaanse-perikelen-2018-bovenkarspel-hoorn/"
  },
  {
   "id": "de-jantjes-2018-den-haag",
   "title": "De Jantjes",
   "composer": "Louis Davids & Margie Morris",
   "librettist": "Herman Bouber",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "residentie-operette-odes"
   ],
   "performances": [
    {
     "date": "2018-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.odes.nl/Vorige-producties/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-jantjes-2018-den-haag/"
  },
  {
   "id": "la-fille-de-madame-angot-2018-emmeloord",
   "title": "La Fille de Madame Angot",
   "composer": "Charles Lecocq",
   "librettist": "Clairville, Paul Siraudin en Victor Koning",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheatervereniging-la-mascotte"
   ],
   "performances": [
    {
     "date": "2018-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-2018-emmeloord/"
  },
  {
   "id": "der-vogelhandler-2018-noordwijk",
   "title": "Der Vogelhändler",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": "Jaap Dijkhuis",
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-mozaiek"
   ],
   "performances": [
    {
     "date": "2018-11-02",
     "time": null,
     "place": "Theater De Muze, Noordwijk",
     "venue": null
    },
    {
     "date": "2018-11-03",
     "time": null,
     "place": "Theater De Muze, Noordwijk",
     "venue": null
    },
    {
     "date": "2018-11-04",
     "time": null,
     "place": "Theater De Muze, Noordwijk",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://mozaiek-operette.nl/uitvoeringen.html",
     "date": "2026-08-06"
    },
    {
     "url": "http://mozaiek-operette.nl/nieuws.html",
     "date": "2026-08-06"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2018-noordwijk/"
  },
  {
   "id": "wien-nur-du-allein-2018-heerhugowaard",
   "title": "Wien Nur Du Allein",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-avanti"
   ],
   "performances": [
    {
     "date": "2018-11-04",
     "time": null,
     "place": "Cool kunst en cultuur, Heerhugowaard",
     "venue": "cool-heerhugowaard"
    }
   ],
   "sources": [
    {
     "url": "https://www.rodi.nl/regio/heerhugowaard/nieuws/28043/span-",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/wien-nur-du-allein-2018-heerhugowaard/"
  },
  {
   "id": "grafin-mariza-2018-rosmalen",
   "title": "Gräfin Mariza",
   "composer": "Emmerich Kálmán",
   "librettist": "Julius Brammer en Alfred Grünwald",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-rosmalen"
   ],
   "performances": [
    {
     "date": "2018-11-09",
     "time": null,
     "place": "Perron-3, Rosmalen",
     "venue": null
    },
    {
     "date": "2018-11-10",
     "time": null,
     "place": "Perron-3, Rosmalen",
     "venue": null
    },
    {
     "date": "2018-11-11",
     "time": null,
     "place": "Perron-3, Rosmalen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://operetterosmalen.nl/kom-ook-kijken-en-luisteren-naar-grafin-mariza/",
     "date": "2026-08-02"
    },
    {
     "url": "http://operetterosmalen.nl/komende-productie/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/grafin-mariza-2018-rosmalen/"
  },
  {
   "id": "ruddigore-2018-alkmaar",
   "title": "Ruddigore",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [
    {
     "date": "2018-11-11",
     "time": null,
     "place": "TAQA Theater De Vest, Alkmaar",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.nnvideo.nl/indexnew.php?menuItem=3",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/ruddigore-2018-alkmaar/"
  },
  {
   "id": "la-gran-via-2018-amsterdam",
   "title": "La Gran Vía",
   "composer": "Federico Chueca",
   "librettist": "Felipe Pérez y González",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "aspk"
   ],
   "performances": [
    {
     "date": "2018-12-05",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    },
    {
     "date": "2018-12-06",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    },
    {
     "date": "2018-12-07",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    }
   ],
   "sources": [
    {
     "url": "https://www.hetaspk.nl/la-gran-via-2018/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-gran-via-2018-amsterdam/"
  },
  {
   "id": "der-bettelstudent-2019-nijmegen-concertant",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "carmina-ludicra"
   ],
   "performances": [
    {
     "date": "2019",
     "time": null,
     "place": "drie concertante uitvoeringen in augustus/september; exacte data onbekend",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-2019-nijmegen-concertant/"
  },
  {
   "id": "een-nacht-in-venetie-2019-oostzaan",
   "title": "Een nacht in Venetie",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "2019",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2010-2019/",
     "date": "2026-07-26"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/een-nacht-in-venetie-2019-oostzaan/"
  },
  {
   "id": "eine-nacht-in-venedig-2019",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette"
   ],
   "performances": [
    {
     "date": "2019",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-07-26"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2019/"
  },
  {
   "id": "fantasio",
   "title": "Fantasio",
   "composer": "Jacques Offenbach",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "opera-zuid"
   ],
   "performances": [
    {
     "date": "2019",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.brabantcultureel.nl/2019/05/28/opera-zuid-presenteert-met-offenbachs-fantasio-een-opera-grande-bouffe%EF%BB%BF/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/fantasio/"
  },
  {
   "id": "orpheus-in-de-onderwereld-2019-emmeloord",
   "title": "Orpheus in de Onderwereld",
   "composer": "Jacques Offenbach",
   "librettist": "Hector Crémieux en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop C.G. Franssen",
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheatervereniging-la-mascotte"
   ],
   "performances": [
    {
     "date": "2019-11-09",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2019-11-10",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2019",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.lamascotte.nl/gerealiseerde-producties-4/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.lamascotte.nl/home-4/new-page-3/",
     "date": "2026-08-02"
    },
    {
     "url": "https://noordoostpolder.nieuws.nl/cultuur/nieuwe-regisseurs-geven-eigen-draai-aan-voorstelling-la-mascotte",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orpheus-in-de-onderwereld-2019-emmeloord/"
  },
  {
   "id": "nieuwjaarsconcert-fantastische-muziek-surprise-2019-veendam",
   "title": "Nieuwjaarsconcert Fantastische Muziek Surprise",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "ovw-muziektheater"
   ],
   "performances": [
    {
     "date": "2019-01-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.menterwolde.info/regio/veendam-pekela/nieuwjaarsconcert-operettevereniging-met-wp-harmonie/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/nieuwjaarsconcert-fantastische-muziek-surprise-2019-veendam/"
  },
  {
   "id": "de-dragonders-van-villars-2019-heiloo",
   "title": "De Dragonders van Villars",
   "composer": "Aimé Maillart",
   "librettist": "Cormon en Lockroy",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "heilooer-ov"
   ],
   "performances": [
    {
     "date": "2019-02-09",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2019-02-10",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2019-02-16",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    },
    {
     "date": "2019-02-17",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    }
   ],
   "sources": [
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2019-01-23/edition/null/page/3",
     "date": "2026-08-02"
    },
    {
     "url": "https://kranten.archiefalkmaar.nl/issue/UIT/2019-02-13/edition/null/page/5",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-dragonders-van-villars-2019-heiloo/"
  },
  {
   "id": "der-bettelstudent-2019-zaandam",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "czaar-peter"
   ],
   "performances": [
    {
     "date": "2019-03",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-2019-zaandam/"
  },
  {
   "id": "de-gondoliers-2019-amsterdam",
   "title": "De Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "aspk"
   ],
   "performances": [
    {
     "date": "2019-03-06",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    },
    {
     "date": "2019-03-07",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    },
    {
     "date": "2019-03-08",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    }
   ],
   "sources": [
    {
     "url": "https://www.hetaspk.nl/de-gondoliers-2018/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-gondoliers-2019-amsterdam/"
  },
  {
   "id": "de-piraten-van-penzance-2019-veendam",
   "title": "The Pirates of Penzance",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "ovw-muziektheater"
   ],
   "performances": [
    {
     "date": "2019-03-15",
     "time": null,
     "place": "Cultuurcentrum vanBeresteyn, Veendam",
     "venue": null
    },
    {
     "date": "2019-03-16",
     "time": null,
     "place": "Cultuurcentrum vanBeresteyn, Veendam",
     "venue": null
    },
    {
     "date": "2019-03-17",
     "time": null,
     "place": "Cultuurcentrum vanBeresteyn, Veendam",
     "venue": null
    },
    {
     "date": "2019-03-23",
     "time": null,
     "place": "vermoedelijk De Klinker, Winschoten (patroon van eerdere jaren; niet vermeld)",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://rtveen.nl/tag/operettevereniging-veendam-wildervank/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.menterwolde.info/regio/veendam-pekela/piraten-stelen-de-show-in-cultuurcentrum-vanberesteyn/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-piraten-van-penzance-2019-veendam/"
  },
  {
   "id": "monsieur-choufleuri-2019-amsterdam",
   "title": "Monsieur Choufleuri",
   "composer": "Jacques Offenbach",
   "librettist": "Monsieur de Saint-Rémy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2019-03-24",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2019-03-31",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2019-04-07",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://janpaulvanspaendonck.blogspot.com/2019/03/",
     "date": "2026-08-04"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/monsieur-choufleuri-2019-amsterdam/"
  },
  {
   "id": "orpheus-in-de-onderwereld-2019-nijmegen",
   "title": "Orpheus in de Onderwereld",
   "composer": "Jacques Offenbach",
   "librettist": "Hector Crémieux en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "carmina-ludicra"
   ],
   "performances": [
    {
     "date": "2019-04-13",
     "time": "20:00",
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    },
    {
     "date": "2019-04-14",
     "time": "14:30",
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    }
   ],
   "sources": [
    {
     "url": "https://www.carminaludicra.nl/projecten/orpheus-in-de-onderwereld/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.theater.nl/orpheus-in-de-onderwereld-carmina-ludicra",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orpheus-in-de-onderwereld-2019-nijmegen/"
  },
  {
   "id": "gasparone-2019-amsterdam",
   "title": "Gasparone",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "aspk"
   ],
   "performances": [
    {
     "date": "2019-06-01",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    },
    {
     "date": "2019-06-02",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    },
    {
     "date": "2019-06-03",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    }
   ],
   "sources": [
    {
     "url": "https://www.hetaspk.nl/gasparone-2019/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/gasparone-2019-amsterdam/"
  },
  {
   "id": "east-side-story-2019-utrecht",
   "title": "East Side Story",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "klein-operakoor-wilhelminapark"
   ],
   "performances": [
    {
     "date": "2019-10-12",
     "time": null,
     "place": "Metaal Kathedraal, Utrecht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.kleinoperakoor.nl/eastsidestory",
     "date": "2026-08-18"
    },
    {
     "url": "https://web.archive.org/web/2019id_/https://kleinoperakoor.nl/index.php?Pag=20&Sub=2019story",
     "date": "2026-08-18"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/east-side-story-2019-utrecht/"
  },
  {
   "id": "les-cloches-de-corneville-2019-amsterdam",
   "title": "Les Cloches de Corneville",
   "composer": "Robert Planquette",
   "librettist": "Louis Clairville en Charles Gabet",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [
    {
     "date": "2019-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/les-cloches-de-corneville-2019-amsterdam/"
  },
  {
   "id": "der-graf-von-luxemburg-2019-noordwijk",
   "title": "Der Graf von Luxemburg",
   "composer": "Franz Lehár",
   "librettist": "Alfred Maria Willner en Robert Bodanzky",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-mozaiek"
   ],
   "performances": [
    {
     "date": "2019-11-01",
     "time": "20:00",
     "place": "Theater de Muze, Wantveld 2, Noordwijk",
     "venue": null
    },
    {
     "date": "2019-11-02",
     "time": "20:00",
     "place": "Theater de Muze, Wantveld 2, Noordwijk",
     "venue": null
    },
    {
     "date": "2019-11-03",
     "time": "14:00",
     "place": "Theater de Muze, Wantveld 2, Noordwijk",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.blikopnoordwijk.nl/item/11897-mozaiek-operette-speelt-der-graf-von-luxemburg",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-graf-von-luxemburg-2019-noordwijk/"
  },
  {
   "id": "die-lustige-witwe-2019-purmerend",
   "title": "Die Lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "mop-purmerend"
   ],
   "performances": [
    {
     "date": "2019-11-02",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    },
    {
     "date": "2019-11-09",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    },
    {
     "date": "2019-11-10",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    },
    {
     "date": "2019-11-16",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
    {
     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.rodi.nl/purmerend/162600/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.rodi.nl/purmerend/162600/dames-van-het-ballet-hebben-er-zin-in",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.rodi.nl/purmerend/157761/de-eindeloze-ambitie-van-andrea-vos",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-2019-purmerend/"
  },
  {
   "id": "jubileumconcert-2019-hoogezand",
   "title": "Op reis door 60 jaar Pro Burletta",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "pro-burletta"
   ],
   "performances": [
    {
     "date": "2019-11-02",
     "time": null,
     "place": "Theater Kielzog, Hoogezand; 20:00",
     "venue": null
    },
    {
     "date": "2019-11-03",
     "time": null,
     "place": "Theater Kielzog, Hoogezand; 14:30",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.proburletta.nl/?p=324",
     "date": "2026-08-06"
    },
    {
     "url": "http://www.proburletta.nl/?p=380",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/jubileumconcert-2019-hoogezand/"
  },
  {
   "id": "herrie-in-de-herberg-2019-hoorn-bovenkarspel",
   "title": "Herrie in de herberg",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "vocaal-theater-groep-unicorno"
   ],
   "performances": [
    {
     "date": "2019-11-03",
     "time": "14:00",
     "place": "Het Postkantoor, Hoofdstraat 17, Bovenkarspel",
     "venue": null
    },
    {
     "date": "2019-11-10",
     "time": "14:30",
     "place": "wijkcentrum de Huesmolen, Huesmolen 60, Hoorn",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.unicorno.nl/archief/",
     "date": "2026-08-14"
    },
    {
     "url": "https://www.rodi.nl/hoorn/162161/unicorno-zorgt-voor-herrie-in-de-herberg-",
     "date": "2026-08-14"
    },
    {
     "url": "https://www.rodi.nl/stedebroec/162162/unicorno-zorgt-voor-herrie-in-de-herberg-",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/herrie-in-de-herberg-2019-hoorn-bovenkarspel/"
  },
  {
   "id": "la-fille-du-tambour-major-2019-alkmaar",
   "title": "La Fille du Tambour-Major",
   "composer": "Jacques Offenbach",
   "librettist": "Alfred Duru en Henri Chivot",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [
    {
     "date": "2019-11-10",
     "time": null,
     "place": "TAQA Theater De Vest, Alkmaar",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.nnvideo.nl/indexnew.php?menuItem=3",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-du-tambour-major-2019-alkmaar/"
  },
  {
   "id": "winter-in-wien-2019-nationale-operette",
   "title": "Winter in Wien",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "de-nationale-operette"
   ],
   "performances": [
    {
     "date": "2019-12-17",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2019-12",
     "time": null,
     "place": "Weihnachtskonzert-variant, vóór het einde van het jaar (maand afgeleid van de concertnaam)",
     "venue": null
    },
    {
     "date": "2020-01",
     "time": null,
     "place": "Neujahrskonzert-variant, na nieuwjaar (maand afgeleid van de concertnaam)",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://nationaleoperette.nl/winter-in-wien/",
     "date": "2026-08-10"
    },
    {
     "url": "https://nationaleoperette.nl/media/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.theaterkrant.nl/recensie/winter-in-wien/de-nationale-operette/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/winter-in-wien-2019-nationale-operette/"
  },
  {
   "id": "de-arme-student-2020-nijmegen",
   "title": "De Arme Student",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "cancelled",
   "organizations": [
    "carmina-ludicra"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://www.carminaludicra.nl/projecten/de-arme-student/",
     "date": "2026-08-03"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-arme-student-2020-nijmegen/"
  },
  {
   "id": "hms-pinafore-2020-veendam",
   "title": "HMS Pinafore",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "cancelled",
   "organizations": [
    "ovw-muziektheater"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://operetteovw.nl/over-ons/",
     "date": "2026-08-03"
    },
    {
     "url": "https://rtveen.nl/tag/operettevereniging-veendam-wildervank/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/hms-pinafore-2020-veendam/"
  },
  {
   "id": "la-gran-via-2020-amsterdam",
   "title": "La Gran Via",
   "composer": "Federico Chueca",
   "librettist": "Felipe Pérez y González",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "cancelled",
   "organizations": [
    "thalia-amsterdam"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-gran-via-2020-amsterdam/"
  },
  {
   "id": "operette-memories-2020-rosmalen",
   "title": "Operette Memories",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "operette-rosmalen"
   ],
   "performances": [
    {
     "date": "2020-01-24",
     "time": null,
     "place": "Perron-3, Rosmalen (premiere)",
     "venue": null
    },
    {
     "date": "2020-01-25",
     "time": null,
     "place": "Perron-3, Rosmalen",
     "venue": null
    },
    {
     "date": "2020-01-26",
     "time": null,
     "place": "Perron-3, Rosmalen",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.kliknieuwsdenbosch.nl/nieuws/algemeen/178936/operettevereniging-rosmalen-bestaat-50-jaar-met-een-lach-en-een-traan",
     "date": "2026-08-02"
    },
    {
     "url": "http://operetterosmalen.nl/nieuws/",
     "date": "2026-08-02"
    },
    {
     "url": "https://ros-tvkrant.nl/2020/01/26/50-jaar-operette-rosmalen/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/operette-memories-2020-rosmalen/"
  },
  {
   "id": "the-mikado-2020-zaandam",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "cancelled",
   "organizations": [
    "czaar-peter"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-2020-zaandam/"
  },
  {
   "id": "boccaccio-2020-amsterdam",
   "title": "Boccaccio",
   "composer": "Franz von Suppé",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "cancelled",
   "organizations": [
    "aspk"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://www.hetaspk.nl/boccaccio-2020/",
     "date": "2026-08-03"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-2020-amsterdam/"
  },
  {
   "id": "boccaccio-2020-oostzaan",
   "title": "Boccaccio",
   "composer": "Franz von Suppé",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Arnold Alons",
   "category": "core",
   "status": "cancelled",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-2020-oostzaan/"
  },
  {
   "id": "der-vogelhandler-2020-alkmaar",
   "title": "Der Vogelhändler",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "cancelled",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2020-alkmaar/"
  },
  {
   "id": "bloemenduel-2020-haarlem",
   "title": "Bloemenduel",
   "composer": "Steef de Jong",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "groots-en-meeslepend"
   ],
   "performances": [
    {
     "date": "2020-12-01",
     "time": null,
     "place": "Toneelschuur, Haarlem (Theaterkrant 'gezien op')",
     "venue": null
    },
    {
     "date": "2020-12-11",
     "time": null,
     "place": "Concordia, Enschede",
     "venue": null
    },
    {
     "date": "2022-01-22",
     "time": null,
     "place": "Theater Walhalla, Rotterdam",
     "venue": null
    },
    {
     "date": "2022-01-31",
     "time": null,
     "place": "De Kleine Komedie, Amsterdam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.grootsenmeeslepend.nl/voorstellingen/bloemenduel/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.theaterkrant.nl/recensie/bloemenduel/groots-en-meeslepend-steef-de-jong-louis-van-beek/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.theater.nl/bloemenduel-steef-de-jong-louis-van-beek?theater=30958/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/bloemenduel-2020-haarlem/"
  },
  {
   "id": "zar-und-zimmermann-2021-leeuwarden",
   "title": "Zar und Zimmermann",
   "composer": "Albert Lortzing",
   "librettist": "Albert Lortzing",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "cancelled",
   "organizations": [
    "animato-leeuwarden"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://www.omropfryslan.nl/nl/nieuws/1007588/hea-theaterkoor-animato-moet-duizenden-kledingstukken-kwijt",
     "date": "2026-08-06"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/zar-und-zimmermann-2021-leeuwarden/"
  },
  {
   "id": "eine-nacht-in-venedig-2021-haarlem",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "toneelschuur-producties",
    "groots-en-meeslepend"
   ],
   "performances": [
    {
     "date": "2021-06-09",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2021-06",
     "time": null,
     "place": "De Schuur, Haarlem, en Openluchttheater Caprera, Bloemendaal",
     "venue": null
    },
    {
     "date": "2021-01",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.grootsenmeeslepend.nl/over-ons/",
     "date": "2026-08-03"
    },
    {
     "url": "https://nl.wikipedia.org/wiki/Steef_de_Jong",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.toneelschuurproducties.nl/eine-nacht-in-venedig",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.theaterkrant.nl/recensie/eine-nacht-in-venedig/steef-de-jong-toneelschuurproducties/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.nrc.nl/nieuws/2021/01/13/valentina-toth-humor-voegt-iets-toe-aan-klassieke-muziek-a4027331",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2021-haarlem/"
  },
  {
   "id": "the-zoo-2021-amsterdam",
   "title": "The Zoo",
   "composer": "Arthur Sullivan",
   "librettist": "B.C. Stephenson",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "studenten-toneelvereniging-amsterdam"
   ],
   "performances": [
    {
     "date": "2021-06",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-zoo-2021-amsterdam/"
  },
  {
   "id": "kissi-kissi-2021-rotterdam",
   "title": "Kissi! Kissi!",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Chivot en Alfred Duru",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [],
   "performances": [
    {
     "date": "2021-08-28",
     "time": null,
     "place": "O. Festival 2021, De Doelen, Rotterdam (gerecenseerde voorstelling)",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.theaterkrant.nl/recensie/kissi-kissi/volksopera-be/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/kissi-kissi-2021-rotterdam/"
  },
  {
   "id": "boccaccio-pocketopera-2021-emmeloord",
   "title": "Boccaccio (pocketversie)",
   "composer": "Franz von Suppé",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheatervereniging-la-mascotte"
   ],
   "performances": [
    {
     "date": "2021-11-06",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.lamascotte.nl/gerealiseerde-producties-4/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.omroepflevoland.nl/nieuws/258096/",
     "date": "2026-08-02"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-pocketopera-2021-emmeloord/"
  },
  {
   "id": "de-straatzangeres-2021-nijmegen",
   "title": "De Straatzangeres",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "carmina-ludicra"
   ],
   "performances": [
    {
     "date": "2021-11-27",
     "time": null,
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    },
    {
     "date": "2021-11-28",
     "time": null,
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    }
   ],
   "sources": [
    {
     "url": "https://www.carminaludicra.nl/projecten/de-straatzangeres/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.intonijmegen.com/blijf-op-de-hoogte/nieuws/maandagenda-november-2021-van-de-lindenberg",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-straatzangeres-2021-nijmegen/"
  },
  {
   "id": "boccaccio-2022-oostzaan",
   "title": "Boccaccio",
   "composer": "Franz von Suppé",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop C.G. Fransen en Arnold Alons",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "2022-11-19",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2022-11-20",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2022-11-26",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2022-11-27",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2022",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2020-heden/",
     "date": "2026-08-19"
    },
    {
     "url": "https://www.deorkaan.nl/bel-canto-doet-een-wulpse-boccaccio/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.deorkaan.nl/waarheen-bel-canto-cantabile-eva-hoeke-met-tommy-wieringa/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.deorkaan.nl/waarheen-herleving-westside-jazzband-belgie/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-2022-oostzaan/"
  },
  {
   "id": "ein-papp-konzert-2022-wenen",
   "title": "Ein Papp-Konzert",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "groots-en-meeslepend"
   ],
   "performances": [
    {
     "date": "2022",
     "time": null,
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.grootsenmeeslepend.nl/over-ons/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/ein-papp-konzert-2022-wenen/"
  },
  {
   "id": "trial-by-jury-2022",
   "title": "Trial by Jury",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette"
   ],
   "performances": [
    {
     "date": "2022",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-07-26"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2022/"
  },
  {
   "id": "hms-pinafore-2022-amsterdam",
   "title": "H.M.S. Pinafore",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "aspk"
   ],
   "performances": [
    {
     "date": "2022-03-17",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    },
    {
     "date": "2022-03-18",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    },
    {
     "date": "2022-03-19",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    }
   ],
   "sources": [
    {
     "url": "https://www.hetaspk.nl/hms-pinafore-2022/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/hms-pinafore-2022-amsterdam/"
  },
  {
   "id": "boccaccio-2022-emmeloord",
   "title": "Boccaccio",
   "composer": "Franz von Suppé",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "muziektheatervereniging-la-mascotte"
   ],
   "performances": [
    {
     "date": "2022-03-19",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    },
    {
     "date": "2022-03-20",
     "time": null,
     "place": "Emmeloord",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.lamascotte.nl/gerealiseerde-producties-4/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.omroepflevoland.nl/nieuws/258096/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-2022-emmeloord/"
  },
  {
   "id": "de-mikado-2022-zaandam",
   "title": "De Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "czaar-peter"
   ],
   "performances": [
    {
     "date": "2022-03-20",
     "time": null,
     "place": "Zaantheater, Zaandam",
     "venue": "zaantheater"
    }
   ],
   "sources": [
    {
     "url": "https://www.deorkaan.nl/waarheen-mikado-cantabile-beeldbank-westzaan/",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-mikado-2022-zaandam/"
  },
  {
   "id": "im-weissen-rossl-2022-zoetermeer",
   "title": "Im Weissen Rössl",
   "composer": "Ralph Benatzky",
   "librettist": "Hans Müller en Erik Charell",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "cantiamo-zoetermeer"
   ],
   "performances": [
    {
     "date": "2022-04-09",
     "time": null,
     "place": "Stadstheater Zoetermeer",
     "venue": "stadstheater-zoetermeer"
    },
    {
     "date": "2022-04-10",
     "time": null,
     "place": "Stadstheater Zoetermeer",
     "venue": "stadstheater-zoetermeer"
    }
   ],
   "sources": [
    {
     "url": "https://www.streekbladzoetermeer.nl/nieuws/actueel/136583/cantiamo-speelt-im-weissen-rossl-in-stadstheater",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/im-weissen-rossl-2022-zoetermeer/"
  },
  {
   "id": "the-zoo-2022-naaldwijk",
   "title": "The Zoo",
   "composer": "Arthur Sullivan",
   "librettist": "B.C. Stephenson",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "kunst-voor-het-volk-westland"
   ],
   "performances": [
    {
     "date": "2022-05",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-zoo-2022-naaldwijk/"
  },
  {
   "id": "wiener-melange-2022-heerhugowaard",
   "title": "Wiener Melange",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-avanti"
   ],
   "performances": [
    {
     "date": "2022-05-01",
     "time": null,
     "place": "Cool kunst en cultuur, Heerhugowaard",
     "venue": "cool-heerhugowaard"
    }
   ],
   "sources": [
    {
     "url": "https://www.rodi.nl/dijkenwaard/uit/293390/sachertorte-riesling-en-operette-met-opera-avanti-in-cool",
     "date": "2026-08-13"
    },
    {
     "url": "https://www.rodi.nl/dijkenwaard/uit/289412/jacques-does-organiseert-wiener-operette-melange-in-cool",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/wiener-melange-2022-heerhugowaard/"
  },
  {
   "id": "van-verdi-tot-lehar-2022-oegstgeest",
   "title": "Van Verdi tot Lehár",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "de-troubadours-oegstgeest"
   ],
   "performances": [
    {
     "date": "2022-05-14",
     "time": null,
     "place": "Regenboogkerk, Oegstgeest",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.detroubadours.com/archief.php",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/van-verdi-tot-lehar-2022-oegstgeest/"
  },
  {
   "id": "steefs-o-show-2022-rotterdam",
   "title": "Steefs O. show",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "groots-en-meeslepend"
   ],
   "performances": [
    {
     "date": "2022-05-22",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.theaterkrant.nl/recensie/steefs-o-show/steef-de-jong-o-festival/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.operamagazine.nl/recensies/58711/hart-onder-de-riem-bij-de-steefs-o-show/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/steefs-o-show-2022-rotterdam/"
  },
  {
   "id": "trijn-2022-utrecht",
   "title": "Trijn",
   "composer": "Bob Zimmerman",
   "librettist": "Ruben van Gogh",
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "klein-operakoor-wilhelminapark"
   ],
   "performances": [
    {
     "date": "2022-06-12",
     "time": null,
     "place": "TivoliVredenburg (Grote Zaal), Utrecht -- try-out",
     "venue": null
    },
    {
     "date": "2022-06-18",
     "time": null,
     "place": "TivoliVredenburg (Grote Zaal), Utrecht",
     "venue": null
    },
    {
     "date": "2022-06-19",
     "time": null,
     "place": "TivoliVredenburg (Grote Zaal), Utrecht -- eerste van twee",
     "venue": null
    },
    {
     "date": "2022-06-19",
     "time": null,
     "place": "TivoliVredenburg (Grote Zaal), Utrecht -- tweede van twee",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.kleinoperakoor.nl/trijn",
     "date": "2026-08-18"
    },
    {
     "url": "https://www.duic.nl/cultuur/utrechtse-stadsopera-trijn-komt-in-juni-naar-tivolivredenburg/",
     "date": "2026-08-18"
    },
    {
     "url": "https://www.rtvutrecht.nl/nieuws/3328130/stadsopera-over-trijn-van-leemput-in-juni-in-tivolivredenburg",
     "date": "2026-08-18"
    },
    {
     "url": "https://stadsoperatrijn.nl/de-opera/",
     "date": "2026-08-18"
    },
    {
     "url": "https://www.operamagazine.nl/featured/59186/trijn-een-sympathiek-gebeuren/",
     "date": "2026-08-18"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/trijn-2022-utrecht/"
  },
  {
   "id": "orpheus-in-de-onderwereld-2022-amsterdam",
   "title": "Orpheus in de Onderwereld",
   "composer": "Jacques Offenbach",
   "librettist": "Hector Crémieux en Ludovic Halévy",
   "music_credit": null,
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   "organizations": [
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   ],
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    {
     "date": "2022-06-22",
     "time": "20:00",
     "place": "'t Zonnehuis, Amsterdam",
     "venue": "t-zonnehuis"
    },
    {
     "date": "2022-06-23",
     "time": "20:00",
     "place": "'t Zonnehuis, Amsterdam",
     "venue": "t-zonnehuis"
    },
    {
     "date": "2022-06-24",
     "time": "20:00",
     "place": "'t Zonnehuis, Amsterdam",
     "venue": "t-zonnehuis"
    }
   ],
   "sources": [
    {
     "url": "https://stadsherstel.nl/cultuuragenda/sta-orpheus-in-de-onderwereld/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orpheus-in-de-onderwereld-2022-amsterdam/"
  },
  {
   "id": "volksopera-nieuwendam-blauwe-zand-2022-amsterdam",
   "title": "Volksopera Nieuwendam & Blauwe Zand",
   "composer": null,
   "librettist": null,
   "music_credit": "samengesteld uit bekende opera-aria's",
   "translation": null,
   "category": "operetta-adjacent",
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   "organizations": [
    "volksopera-nederland"
   ],
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    {
     "date": "2022-07-01",
     "time": null,
     "place": "Nieuwendam en Blauwe Zand, Amsterdam-Noord",
     "venue": null
    },
    {
     "date": "2022-07-02",
     "time": null,
     "place": "Nieuwendam en Blauwe Zand, Amsterdam-Noord",
     "venue": null
    },
    {
     "date": "2022-07-03",
     "time": null,
     "place": "Nieuwendam en Blauwe Zand, Amsterdam-Noord",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.volksopera.nl/behaalde-resultaten/",
     "date": "2026-08-04"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/volksopera-nieuwendam-blauwe-zand-2022-amsterdam/"
  },
  {
   "id": "de-luitenant-the-hague",
   "title": "De luitenant",
   "composer": "Oscar Straus",
   "librettist": "Felix Dörmann en Leopold Jacobson",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "groots-en-meeslepend"
   ],
   "performances": [
    {
     "date": "2022-07-14",
     "time": null,
     "place": "De Parade, Westbroekpark, Den Haag; gerecenseerde voorstelling van 14 juli 2022",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.theaterkrant.nl/recensie/de-luitenant/steef-de-jong-groots-en-meeslepend/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-luitenant-the-hague/"
  },
  {
   "id": "maske-in-blau-2022-noordwijk",
   "title": "Maske in Blau",
   "composer": "Fred Raymond",
   "librettist": "boek Heinz Hentschke, liedteksten Günther Schwenn",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "operette-mozaiek"
   ],
   "performances": [
    {
     "date": "2022-10-08",
     "time": "20:00",
     "place": "Theater De Muze, Noordwijk",
     "venue": null
    },
    {
     "date": "2022-10-09",
     "time": "14:00",
     "place": "Theater De Muze, Noordwijk",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.blikopnoordwijk.nl/item/16670-",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.blikopnoordwijk.nl/item/12376-mozaiek-operette-start-met-repetities-maske-in-blau",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/maske-in-blau-2022-noordwijk/"
  },
  {
   "id": "operetta-land-2022-amsterdam",
   "title": "Operetta Land",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "dno"
   ],
   "performances": [
    {
     "date": "2022-11-20",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2022-11-21",
     "time": null,
     "place": "Nationale Opera & Ballet, Amsterdam",
     "venue": null
    },
    {
     "date": "2022-11",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.theaterkrant.nl/recensie/operetta-land/de-nationale-opera-steef-de-jong/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.grootsenmeeslepend.nl/voorstellingen/operettaland/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.groene.nl/artikel/echte-vreugde-ontroert-ook",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.winq.nl/steef-de-jong-als-het-slecht-gaat-hebben-mensen-zin-in-operette/108398",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.operamagazine.nl/recensies/62118/niet-langer-belgie-maar-operetta-land/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.theaterparadijs.nl/muziek/de-nederlandse-opera-brengt-een-verrassende-voorstelling-operetta-land",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.theaterkrant.nl/recensie/operetta-land/nationale-opera-ballet/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.nrc.nl/nieuws/2022/11/21/steef-de-jongs-operetta-land-is-een-adembenemend-pop-upboek-a4148922",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.volkskrant.nl/cultuur-media/operetta-land-is-een-vederlicht-feest-van-mogelijkheden~bba49c1d/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.volkskrant.nl/columns-opinie/lief-vrolijk-vriendelijk-operetta-land-is-een-enige-voorstelling-en-dat-is-niet-ironisch-bedoeld~b4d28df1/",
     "date": "2026-08-10"
    },
    {
     "url": "https://news.google.com/rss/articles/CBMisgFBVV95cUxNSllDa1NLMjZsbjEtOUQwcHJRZktzdFZVNDM2S1luZzlEeURaamJPamlPbEJyOGFwdWMtVnJkamZJNUtIRHFFMlJkNUo2NW1WVnlac29PX0Zib0pBc0hhVGZUdTFlcy1MZlIxSW56V3plYWN6aExTSjBqV3UwS05keXdwS0dfUk5pOU9IZ1AzOWdNb0RDMng5ZUE2VDdDVHJhOUR0Tk9NVFQwTzQ2dkphdlhn?oc=5",
     "date": "2026-08-10"
    },
    {
     "url": "https://news.google.com/rss/articles/CBMi0AFBVV95cUxPWDRJUGlub0ZKWHFpWGg3MnZicVlNN243OUwtWkxKQVZiajFnb3hKbm4zVXF6bm93ZVVwM2lyQ044ZGR4RklwUGJpYUJSWDlVbFNaNzczTDRrYlQzdHlyVFFTb3ZfUmZYa3o1OWVHLW96X3U4SFFISFNPeGxTT2dpWE5hODJJSnJLd1FSOXhHOC1JdlhwcTNISE0tSG1SWHhZRTJoM1hEbTFrUHVDdk1wLXZSMUo1bFZWQi11Y2RCa0Q5ZC1nYVBSbDJnZ25Vd0RJ?oc=5",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/operetta-land-2022-amsterdam/"
  },
  {
   "id": "de-gondeliers",
   "title": "De Gondeliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "operettevereniging-odeon"
   ],
   "performances": [
    {
     "date": "2022-11-12",
     "time": null,
     "place": "20:15, TAQA Theater De Vest, Alkmaar",
     "venue": null
    },
    {
     "date": "2022-11-13",
     "time": null,
     "place": "14:00, TAQA Theater De Vest, Alkmaar",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.theater.nl/operettevereniging-odeon-de-gondeliers",
     "date": "2026-07-18"
    },
    {
     "url": "https://www.balknet.nl/37031/actueel/agenda/operettegezelschap-odeon-neemt-afscheid-met-de-gondeliers-12-11-2022",
     "date": "2026-07-19"
    },
    {
     "url": "https://www.alkmaarsdagblad.nl/uitgaan/odeon-operette-alkmaar-telt-af-naar-allerlaatste-voorstellingen",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.odeonoperette.nl/productie-2022/",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-gondeliers/"
  },
  {
   "id": "de-grillen-van-een-gravin-2022-hoorn-bovenkarspel",
   "title": "De Grillen van een Gravin",
   "composer": "Emmerich Kálmán",
   "librettist": "Julius Brammer en Alfred Grünwald",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "vocaal-theater-groep-unicorno"
   ],
   "performances": [
    {
     "date": "2022-11-13",
     "time": "14:30",
     "place": "wijkcentrum de Huesmolen, Hoorn",
     "venue": null
    },
    {
     "date": "2022-11-27",
     "time": "14:00",
     "place": "Het Postkantoor, Bovenkarspel",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.rodi.nl/stedebroec/315600/unicorno-presenteert-de-grillen-van-een-gravin-in-hoorn-en-bovenkarspel",
     "date": "2026-08-14"
    },
    {
     "url": "https://www.rodi.nl/hoorn/336339/unicorno-in-hoorn-wil-uitbreiden",
     "date": "2026-08-14"
    },
    {
     "url": "https://www.unicorno.nl/archief/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-grillen-van-een-gravin-2022-hoorn-bovenkarspel/"
  },
  {
   "id": "la-belle-helene-2022-weert",
   "title": "La belle Hélène",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "wokmuziektheater"
   ],
   "performances": [
    {
     "date": "2022-11-18",
     "time": null,
     "place": "Munttheater, Weert",
     "venue": "munttheater"
    },
    {
     "date": "2022-11-19",
     "time": null,
     "place": "Munttheater, Weert",
     "venue": "munttheater"
    },
    {
     "date": "2022-11-20",
     "time": null,
     "place": "Munttheater, Weert",
     "venue": "munttheater"
    }
   ],
   "sources": [
    {
     "url": "https://www.wokmuziektheater.nl/producties/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-belle-helene-2022-weert/"
  },
  {
   "id": "van-alle-markten-thuis-2022-nijmegen",
   "title": "Van alle Markten Thuis",
   "composer": "Jacques Offenbach",
   "librettist": null,
   "music_credit": null,
   "translation": "Jeske Roozen en Veerle Driessen",
   "category": "core",
   "status": "past",
   "organizations": [
    "carmina-ludicra"
   ],
   "performances": [
    {
     "date": "2022-11-19",
     "time": "20:00",
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    },
    {
     "date": "2022-11-20",
     "time": "14:00",
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    },
    {
     "date": "2022-11-20",
     "time": "20:00",
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    }
   ],
   "sources": [
    {
     "url": "https://www.carminaludicra.nl/projecten/van-alle-markten-thuis/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.theater.nl/carmina-ludicra-van-alle-markten-thuis",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/van-alle-markten-thuis-2022-nijmegen/"
  },
  {
   "id": "theetafel-opera-2022-veenendaal",
   "title": "Theetafel Opera",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2022-11-20",
     "time": null,
     "place": "foyer Theater Lampegiet, Veenendaal; bij een high tea, door het GOOG-ensemble",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://goog.nl/leuk-theetafel-opera-concert-in-de-lampegiet-veenendaal/",
     "date": "2026-08-14"
    },
    {
     "url": "https://goog.nl/volledige-concertgeschiedenis-goog/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/theetafel-opera-2022-veenendaal/"
  },
  {
   "id": "wenen-new-york-parijs-2022-nationale-operette",
   "title": "WENEN * NEW YORK * PARIJS",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2022-12-22",
     "time": null,
     "place": "Rijswijkse Schouwburg, Rijswijk (Weihnachtskonzert)",
     "venue": null
    },
    {
     "date": "2023-01-04",
     "time": null,
     "place": "Schouwburg Cuijk (Neujahrskonzert)",
     "venue": null
    },
    {
     "date": "2023-01-07",
     "time": null,
     "place": "Goudse Schouwburg, Gouda",
     "venue": null
    },
    {
     "date": "2023-01-08",
     "time": null,
     "place": "Theater de Kampanje, Den Helder ()",
     "venue": null
    },
    {
     "date": "2023-01-15",
     "time": null,
     "place": "Spant!, Bussum ()",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://operagazet.com/de-nationale-operette-beleef-echte-operette/?lang=nl",
     "date": "2026-08-14"
    },
    {
     "url": "https://nationaleoperette.nl/home/wenen-new-york-parijs/",
     "date": "2026-08-10"
    },
    {
     "url": "https://nationaleoperette.nl/media/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/wenen-new-york-parijs-2022-nationale-operette/"
  },
  {
   "id": "de-dappere-soldaat-2023-haarlem",
   "title": "De Dappere Soldaat",
   "composer": "Oscar Straus",
   "librettist": "Rudolf Bernauer en Leopold Jacobson",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "toneelschuur-producties",
    "groots-en-meeslepend"
   ],
   "performances": [
    {
     "date": "2023-09-07",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2023",
     "time": null,
     "place": "De Schuur, Haarlem",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.grootsenmeeslepend.nl/over-ons/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.toneelschuurproducties.nl/dapper",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.npoklassiek.nl/klassiek/podium/13ee3a41-204f-4a11-a62b-3bc1f07f4835/prijs-voor-theatermaker-die-operette-tot-leven-brengt-met-karton",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.parool.nl/kunst-media/recensie-de-dappere-soldaat-laat-zien-wat-de-kracht-van-verbeelding-is~b1b821ad/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-dappere-soldaat-2023-haarlem/"
  },
  {
   "id": "de-piraten-van-penzance-2023-oostzaan",
   "title": "De Piraten van penzance",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "2023",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2020-heden/",
     "date": "2026-08-19"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-piraten-van-penzance-2023-oostzaan/"
  },
  {
   "id": "het-veendammer-leven-2023-veendam",
   "title": "Het Veendammer Leven",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "ovw-muziektheater"
   ],
   "performances": [
    {
     "date": "2023",
     "time": null,
     "place": "theater vanBeresteyn, Veendam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://rtveen.nl/2023/03/11/operettevereniging-veendam-wildervank-de-veendammers-gaan-eigenlijk-alles-herkennen/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/het-veendammer-leven-2023-veendam/"
  },
  {
   "id": "das-land-des-lachelns-2023-zoetermeer",
   "title": "Das Land des Lächelns",
   "composer": "Franz Lehár",
   "librettist": "Ludwig Herzer en Fritz Löhner-Beda",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "cantiamo-zoetermeer"
   ],
   "performances": [
    {
     "date": "2023-03-11",
     "time": null,
     "place": "Stadstheater Zoetermeer",
     "venue": "stadstheater-zoetermeer"
    },
    {
     "date": "2023-03-12",
     "time": null,
     "place": "Stadstheater Zoetermeer",
     "venue": "stadstheater-zoetermeer"
    }
   ],
   "sources": [
    {
     "url": "https://www.streekbladzoetermeer.nl/nieuws/actueel/143278/cantiamo-speelt-operette-das-land-des-lachelns-",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.theater.nl/das-land-des-laechelns-cantiamo",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/das-land-des-lachelns-2023-zoetermeer/"
  },
  {
   "id": "boccaccio-2023",
   "title": "Boccaccio",
   "composer": "Franz von Suppé",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette",
    "czaar-peter"
   ],
   "performances": [
    {
     "date": "2023-03-18",
     "time": null,
     "place": "Zaantheater, Zaandam (20:15)",
     "venue": null
    },
    {
     "date": "2023-03-19",
     "time": null,
     "place": "Zaantheater, Zaandam (14:15)",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-07-26"
    },
    {
     "url": "https://www.rodi.nl/zaanstad/uitgaan/331484/bruisend-muziektheater-door-czaar-peter",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.noordhollandsdagblad.nl/regio/zaanstreek-waterland/we-mogen-trots-zijn-dat-we-boccaccio-op-het-podium-kunnen-brengen-operettevereniging-czaar-peter-eindelijk-weer-in-het-zaantheater/11527981.html",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-2023/"
  },
  {
   "id": "orphee-aux-enfers-utrecht",
   "title": "Orphée aux Enfers",
   "composer": "Jacques Offenbach",
   "librettist": "Hector Crémieux en Ludovic Halévy",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "opera-zuid"
   ],
   "performances": [
    {
     "date": "2023-05-19",
     "time": null,
     "place": "try-out, Eindhoven",
     "venue": null
    },
    {
     "date": "2023-05-21",
     "time": null,
     "place": "premiere, Eindhoven",
     "venue": null
    },
    {
     "date": "2023-05-23",
     "time": null,
     "place": "Tilburg",
     "venue": null
    },
    {
     "date": "2023-05-25",
     "time": null,
     "place": "Maastricht",
     "venue": null
    },
    {
     "date": "2023-05-27",
     "time": null,
     "place": "Venlo",
     "venue": null
    },
    {
     "date": "2023-05-30",
     "time": null,
     "place": "Den Haag",
     "venue": null
    },
    {
     "date": "2023-06-01",
     "time": null,
     "place": "Breda",
     "venue": null
    },
    {
     "date": "2023-06-06",
     "time": null,
     "place": "Amersfoort",
     "venue": null
    },
    {
     "date": "2023-06-08",
     "time": null,
     "place": "Heerlen",
     "venue": null
    },
    {
     "date": "2023-06-10",
     "time": null,
     "place": "Sittard",
     "venue": null
    },
    {
     "date": "2023-06-13",
     "time": null,
     "place": "Stadsschouwburg Utrecht",
     "venue": "stadsschouwburg-utrecht"
    },
    {
     "date": "2023-06-15",
     "time": null,
     "place": "Valkenburg",
     "venue": null
    },
    {
     "date": "2023-06-17",
     "time": null,
     "place": "Soest",
     "venue": null
    },
    {
     "date": "2023-06-22",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2023-04",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.theater.nl/opera-zuid-orphee-aux-enfers?voorstelling=13-06-2023&editie=133477%2F",
     "date": "2026-07-18"
    },
    {
     "url": "https://operazuid.nl/en/performance/orphee-aux-enfers/",
     "date": "2026-07-19"
    },
    {
     "url": "https://klassiek-centraal.be/offenbach-orphee-aux-enfers/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.brabantcultureel.nl/2023/05/16/bariton-roger-smeets-keert-als-jupiter-terug-naar-opera-zuid/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.theater.nl/nieuws/interview-francis-van-broekhuizen-speelt-binnenkort-bij-opera-zuid/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.theaterkrant.nl/recensie/orphee-aux-enfers/opera-zuid/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.trouw.nl/cultuur-media/opera-zuid-laat-offenbachs-geestige-afdaling-naar-de-hel-bruisen-van-plezier~b5434ecb/",
     "date": "2026-08-10"
    },
    {
     "url": "https://www.groene.nl/artikel/cancan",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orphee-aux-enfers-utrecht/"
  },
  {
   "id": "orpheus-in-de-onderwereld-2023-amsterdam",
   "title": "Orpheus in de Onderwereld",
   "composer": "Jacques Offenbach",
   "librettist": "Hector Crémieux en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "aspk"
   ],
   "performances": [
    {
     "date": "2023-04-20",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    },
    {
     "date": "2023-04-22",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    },
    {
     "date": "2023-04-23",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    }
   ],
   "sources": [
    {
     "url": "https://www.hetaspk.nl/orpheus-in-de-onderwereld/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.hetaspk.nl/producties/orpheus-in-de-onderwereld-2023/",
     "date": "2026-08-17"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orpheus-in-de-onderwereld-2023-amsterdam/"
  },
  {
   "id": "reis-wenen-napels-milaan-2023-heerhugowaard",
   "title": "Een muzikale reis door Wenen, Napels en Milaan",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-avanti"
   ],
   "performances": [
    {
     "date": "2023-05-07",
     "time": null,
     "place": "Cool kunst en cultuur, Heerhugowaard",
     "venue": "cool-heerhugowaard"
    }
   ],
   "sources": [
    {
     "url": "https://www.rodi.nl/dijkenwaard/335505/reis-mee-met-opera-avanti-door-wenen-napels-en-milaan",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/reis-wenen-napels-milaan-2023-heerhugowaard/"
  },
  {
   "id": "the-sorcerer-2023-leiden",
   "title": "The Sorcerer",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-festa"
   ],
   "performances": [
    {
     "date": "2023-06-18",
     "time": null,
     "place": "presentatie, Vrije School Mareland, Leiden; slot van het gecombineerde OperaLab/Scratch-weekend",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.operafesta.nl/",
     "date": "2026-08-06"
    },
    {
     "url": "https://sleutelstad.nl/2025/06/24/opera-festa-scratch-met-strauss/",
     "date": "2026-08-04"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-sorcerer-2023-leiden/"
  },
  {
   "id": "de-spanjolen-2023-monnickendam",
   "title": "De Spanjolen",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "John Lust",
   "category": "core",
   "status": "past",
   "organizations": [
    "cultuurnacht-waterland"
   ],
   "performances": [
    {
     "date": "2023-09-15",
     "time": "20:30",
     "place": "Grote Kerk, Monnickendam",
     "venue": "grote-kerk-monnickendam"
    },
    {
     "date": "2023-09-16",
     "time": "20:30",
     "place": "Grote Kerk, Monnickendam",
     "venue": "grote-kerk-monnickendam"
    }
   ],
   "sources": [
    {
     "url": "https://www.nhnieuws.nl/nieuws/324748/volksopera-in-monnickendam-met-lokale-talenten-voor-herhaling-vatbaar",
     "date": "2023-09-15"
    },
    {
     "url": "https://www.rodi.nl/edam-volendam/nieuws/357012/volksopera-de-spanjolen-in-grote-kerk-monnickendam",
     "date": "2023-09-14"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-spanjolen-2023-monnickendam/"
  },
  {
   "id": "iolanthe-2023-nijmegen",
   "title": "Iolanthe",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "carmina-ludicra"
   ],
   "performances": [
    {
     "date": "2023-10-20",
     "time": null,
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    },
    {
     "date": "2023-10-21",
     "time": null,
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    }
   ],
   "sources": [
    {
     "url": "https://www.iolanthe.nl/",
     "date": "2023-10-16"
    },
    {
     "url": "https://www.carminaludicra.nl/iolanthe/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.carminaludicra.nl/presskit-iolanthe/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.intonijmegen.com/blijf-op-de-hoogte/nieuws/carmina-ludicra-presenteert-iolanthe-een-muzikale-theaterbeleving",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/iolanthe-2023-nijmegen/"
  },
  {
   "id": "opera-en-operette-festival-2023-amsterdam",
   "title": "Opera- en Operette Festival",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [],
   "performances": [
    {
     "date": "2023-10-29",
     "time": "14:00",
     "place": "Postjeswegkerk (Augustinuskerk), Amsterdam-West",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.volendamsdagblad.nl/uitgaan/opera-en-operette-festival-met-volendams-vocaal-ensemble",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/opera-en-operette-festival-2023-amsterdam/"
  },
  {
   "id": "de-mikado-2023-purmerend",
   "title": "De Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "mop-purmerend"
   ],
   "performances": [
    {
     "date": "2023-11-04",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    },
    {
     "date": "2023-11-11",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    },
    {
     "date": "2023-11-12",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    },
    {
     "date": "2023-11-18",
     "time": null,
     "place": "Theater de Purmaryn, Purmerend",
     "venue": "de-purmaryn"
    }
   ],
   "sources": [
    {
     "url": "https://www.musicalenoperettepurmerend.nl/gespeelde-musicals-en-operettes/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.rodi.nl/purmerend/uitgaan/365087/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-mikado-2023-purmerend/"
  },
  {
   "id": "willem-2023-utrecht",
   "title": "Willem!",
   "composer": "Gioachino Rossini",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "klein-operakoor-wilhelminapark"
   ],
   "performances": [
    {
     "date": "2023-11-17",
     "time": null,
     "place": "Geertekerk, Utrecht",
     "venue": null
    },
    {
     "date": "2023-11-18",
     "time": null,
     "place": "Geertekerk, Utrecht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.kleinoperakoor.nl/willem",
     "date": "2026-08-18"
    },
    {
     "url": "https://utrecht.remonstranten.nl/agenda/klein-operakoor-wilhelminapark-willem/",
     "date": "2026-08-18"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/willem-2023-utrecht/"
  },
  {
   "id": "trial-by-jury-2023-unicorno",
   "title": "Reuring in de rechtszaal",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "vocaal-theater-groep-unicorno"
   ],
   "performances": [
    {
     "date": "2023-11-19",
     "time": "14:00",
     "place": "première, wijkcentrum De Huesmolen, Hoorn",
     "venue": null
    },
    {
     "date": "2023-11-26",
     "time": "14:00",
     "place": "Theater Het Postkantoor, Bovenkarspel",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.unicorno.nl/2023/10/19/reuring-in-de-rechtszaal/",
     "date": "2026-08-14"
    },
    {
     "url": "https://www.unicorno.nl/archief/",
     "date": "2026-08-14"
    },
    {
     "url": "https://www.rodi.nl/hoorn/336339/unicorno-in-hoorn-wil-uitbreiden",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/trial-by-jury-2023-unicorno/"
  },
  {
   "id": "de-piraten-van-penzance-2024-oisterwijk",
   "title": "De piraten van Penzance",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "downsouth-oisterwijk"
   ],
   "performances": [
    {
     "date": "2024",
     "time": null,
     "place": "Natuurtheater Oisterwijk (openlucht)",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://downsouthoisterwijk.nl/",
     "date": "2026-08-20"
    },
    {
     "url": "https://www.oisterwijknieuws.nl/2026/08/muzikale-komedie-h-m-s-pinafore-in-tiliander/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-piraten-van-penzance-2024-oisterwijk/"
  },
  {
   "id": "der-vogelhandler-2024",
   "title": "Der Vogelhändler",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "past",
   "organizations": [
    "gooise-operette",
    "czaar-peter"
   ],
   "performances": [
    {
     "date": "2024-02-24",
     "time": null,
     "place": "Spant!, Bussum",
     "venue": null
    },
    {
     "date": "2024-03-16",
     "time": "20:15",
     "place": "Zaantheater, Zaandam",
     "venue": "zaantheater"
    },
    {
     "date": "2024-03-17",
     "time": "14:15",
     "place": "Zaantheater, Zaandam",
     "venue": "zaantheater"
    },
    {
     "date": "2024-03-22",
     "time": null,
     "place": "Kunstlinie, Almere",
     "venue": null
    },
    {
     "date": "2024",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/producties/historie",
     "date": "2026-07-26"
    },
    {
     "url": "https://koornetwerk.nl/event/czaar-peter-zaandam-gooise-operette-spelen-dit-jaar-der-vogelhandler/",
     "date": "2026-07-12"
    },
    {
     "url": "https://www.rodi.nl/zaanstad/uitgaan/383683/genieten-met-hoofdletter-g-van-operette-der-vogelhandler",
     "date": "2026-08-02"
    },
    {
     "url": "https://flepho.nl/2023/11/flepho-begeleidt-operette-der-vogelhandler/",
     "date": "2026-08-02"
    },
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2024/"
  },
  {
   "id": "la-perichole-2024-oostzaan",
   "title": "La Périchole",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop C.G. Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "2024",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/gespeelde-voorstellingen/2020-heden/",
     "date": "2026-08-19"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-perichole-2024-oostzaan/"
  },
  {
   "id": "nieuwjaarsconcert-2024-den-ham",
   "title": "Nieuwjaarsconcert",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [],
   "performances": [
    {
     "date": "2024-01-13",
     "time": null,
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     "time": null,
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     "venue": null
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    {
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   ],
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     "time": null,
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    {
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   "librettist": null,
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     "time": null,
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   ],
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     "time": null,
     "place": "",
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    },
    {
     "date": "2024-11-03",
     "time": null,
     "place": "",
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     "time": null,
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     "time": null,
     "place": "",
     "venue": null
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   "librettist": null,
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   ],
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     "time": null,
     "place": "",
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     "date": "2024-11-10",
     "time": null,
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     "date": "2024-12-13",
     "time": null,
     "place": "",
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     "time": null,
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   ],
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    {
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     "time": null,
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     "venue": "stadsschouwburg-haarlem"
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   ],
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     "time": null,
     "place": "",
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   ],
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    "czaar-peter"
   ],
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     "time": null,
     "place": "Zaantheater, Zaandam",
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    },
    {
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     "time": null,
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    },
    {
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     "place": "ook gespeeld in Kunstlinie Almere en Spant! Bussum, exacte data onbekend",
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     "date": "2026-07-26"
    },
    {
     "url": "https://www.rodi.nl/zaanstad/uitgaan/430896/sprankelende-muziek-en-fonkelende-teksten-in-operette-la-fill",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.theater.nl/zaandam/zaantheater/la-fille-de-madame-angot-gooise-operette/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-fille-de-madame-angot-2025/"
  },
  {
   "id": "mijn-engel-ik-geloof-je-2025-leeuwarden",
   "title": "Mijn Engel, Ik Geloof Je",
   "composer": "Tjalling Wijnstra",
   "librettist": "Irma Achten",
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-spanga"
   ],
   "performances": [
    {
     "date": "2025-02-26",
     "time": null,
     "place": "eerste voorstelling, Grote of Jacobijnerkerk, Leeuwarden",
     "venue": null
    },
    {
     "date": "2025-03-08",
     "time": null,
     "place": "einde van de reeks (t/m 8 maart); losse speeldata niet gepubliceerd",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.operaspanga.nl/producties/mijn-engel-ik-geloof-je/",
     "date": "2026-07-21"
    },
    {
     "url": "https://www.operaspanga.nl/producties/mijn-engel-ik-geloof-je/recensies-in-de-pers/",
     "date": "2026-07-21"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/mijn-engel-ik-geloof-je-2025-leeuwarden/"
  },
  {
   "id": "operetta-on-broadway-2025-nationale-operette",
   "title": "Operetta on Broadway",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "de-nationale-operette"
   ],
   "performances": [
    {
     "date": "2025-04",
     "time": null,
     "place": "aangekondigde lentetournee; speeldata zijn op de gelezen pagina's nooit gepubliceerd",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://nationaleoperette.nl/",
     "date": "2026-08-21"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/operetta-on-broadway-2025-nationale-operette/"
  },
  {
   "id": "een-nacht-in-venetie-2025-amsterdam",
   "title": "Een Nacht in Venetië",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2025-04-01",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    },
    {
     "date": "2025-04-02",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    },
    {
     "date": "2025-04-03",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    }
   ],
   "sources": [
    {
     "url": "https://www.hetaspk.nl/een-nacht-in-venetie-2025/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.hetaspk.nl/producties/een-nacht-in-venetie-2025/",
     "date": "2026-08-17"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/een-nacht-in-venetie-2025-amsterdam/"
  },
  {
   "id": "die-csardasfurstin-2025-zoetermeer",
   "title": "Die Csárdásfürstin",
   "composer": "Emmerich Kálmán",
   "librettist": "Leo Stein en Béla Jenbach",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "cantiamo-zoetermeer"
   ],
   "performances": [
    {
     "date": "2025-04-12",
     "time": null,
     "place": "Stadstheater Zoetermeer",
     "venue": "stadstheater-zoetermeer"
    },
    {
     "date": "2025-04-13",
     "time": null,
     "place": "Stadstheater Zoetermeer",
     "venue": "stadstheater-zoetermeer"
    }
   ],
   "sources": [
    {
     "url": "https://www.streekbladzoetermeer.nl/nieuws/algemeen/155699/cantiamo-zingt-die-csardasfurstin",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.zoetermeeractief.nl/nieuwshome/actueel/28545-dancing-queen-viert-feest-in-operette",
     "date": "2026-07-19"
    },
    {
     "url": "https://www.zoetermeeractief.nl/nieuwshome/actueel/28679-operettefeest-in-het-stadstheater-met-cantiamo",
     "date": "2026-07-19"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-csardasfurstin-2025-zoetermeer/"
  },
  {
   "id": "de-roversbende-2025-nijmegen",
   "title": "De Roversbende",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "past",
   "organizations": [
    "carmina-ludicra"
   ],
   "performances": [
    {
     "date": "2025-05-09",
     "time": "20:00",
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    },
    {
     "date": "2025-05-10",
     "time": "14:00",
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    },
    {
     "date": "2025-05-10",
     "time": "20:00",
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    }
   ],
   "sources": [
    {
     "url": "https://www.carminaludicra.nl/projecten/de-roversbende/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.carminaludicra.nl/perskit/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-roversbende-2025-nijmegen/"
  },
  {
   "id": "orpheus-en-eurydice-concert-2025-gorinchem",
   "title": "Orpheus en Eurydice",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "gorcums-opera-en-operette-koor-gook"
   ],
   "performances": [
    {
     "date": "2025-05-17",
     "time": null,
     "place": "Grote Kerk, Groenmarkt, Gorinchem",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.destadgorinchem.nl/lokaal/muziek/1166738/mooi-concert-van-gook-in-grote-kerk-in-gorinchem",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orpheus-en-eurydice-concert-2025-gorinchem/"
  },
  {
   "id": "orpheus-en-eurydice-concert-2025-oegstgeest",
   "title": "Orpheus en Eurydice",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "de-troubadours-oegstgeest"
   ],
   "performances": [
    {
     "date": "2025-05-24",
     "time": "20:15",
     "place": "Regenboogkerk, Oegstgeest",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.detroubadours.com/agenda.php",
     "date": "2026-08-21"
    },
    {
     "url": "https://www.vocalink.org/nieuws/mythesindemuziek",
     "date": "2026-08-21"
    },
    {
     "url": "https://www.detroubadours.com/nieuws.php",
     "date": "2026-08-21"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/orpheus-en-eurydice-concert-2025-oegstgeest/"
  },
  {
   "id": "eine-nacht-in-venedig-2025-leiden",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-festa"
   ],
   "performances": [
    {
     "date": "2025-07-13",
     "time": null,
     "place": "Vrije School Mareland, Leiden (scratchdag)",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://sleutelstad.nl/2025/06/24/opera-festa-scratch-met-strauss/",
     "date": "2026-07-19"
    },
    {
     "url": "https://sleutelstad.nl/2025/06/24/opera-festa-scratch-met-strauss/",
     "date": "2026-08-04"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-2025-leiden/"
  },
  {
   "id": "tosca-2025-spanga",
   "title": "Tosca",
   "composer": "Giacomo Puccini",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-spanga"
   ],
   "performances": [
    {
     "date": "2025-07-19",
     "time": null,
     "place": "Lindedijk 11, Spanga (premiere)",
     "venue": null
    },
    {
     "date": "2025-07-29",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    },
    {
     "date": "2025-07-31",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    },
    {
     "date": "2025-08-05",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    },
    {
     "date": "2025-08-07",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    },
    {
     "date": "2025-08-09",
     "time": null,
     "place": "Lindedijk 11, Spanga (slot van de reeks)",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.operaspanga.nl/producties/tosca/",
     "date": "2026-07-21"
    },
    {
     "url": "https://www.operaspanga.nl/producties/tosca/recensies/",
     "date": "2026-07-21"
    },
    {
     "url": "https://www.theaterkrant.nl/recensie/tosca-6/opera-spanga/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.groene.nl/artikel/jij-zo-teder-en-lief",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.operamagazine.nl/recensies/74942/voortreffelijke-zangers-in-spangas-spannende-tosca/",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/tosca-2025-spanga/"
  },
  {
   "id": "madama-butterfly-2025-tour",
   "title": "Madama Butterfly",
   "composer": "Giacomo Puccini",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-compact"
   ],
   "performances": [
    {
     "date": "2025-09-26",
     "time": null,
     "place": "20:00, PLT Theater Kerkrade — seizoenspremiere",
     "venue": null
    },
    {
     "date": "2025-10-25",
     "time": null,
     "place": "20:00, Schouwburg Agnietenhof, Tiel",
     "venue": null
    },
    {
     "date": "2025-11-23",
     "time": null,
     "place": "14:30, Theater Het Speelhuis, Helmond",
     "venue": null
    },
    {
     "date": "2025-12-12",
     "time": null,
     "place": "20:00, Theater De Oranjerie, Roermond",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.operacompact.nl/voorstellingen/madama-butterfly/",
     "date": "2026-07-21"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/madama-butterfly-2025-tour/"
  },
  {
   "id": "messa-di-gloria-2025-utrecht",
   "title": "Messa di Gloria",
   "composer": "Giacomo Puccini",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "klein-operakoor-wilhelminapark"
   ],
   "performances": [
    {
     "date": "2025-10-01",
     "time": "19:00",
     "place": "Skatepark Utrecht, Koningin Wilhelminalaan 4",
     "venue": null
    },
    {
     "date": "2025-10-01",
     "time": "21:00",
     "place": "Skatepark Utrecht, Koningin Wilhelminalaan 4",
     "venue": null
    },
    {
     "date": "2025-10-02",
     "time": "19:00",
     "place": "Skatepark Utrecht, Koningin Wilhelminalaan 4",
     "venue": null
    },
    {
     "date": "2025-10-02",
     "time": "21:00",
     "place": "Skatepark Utrecht, Koningin Wilhelminalaan 4",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.kleinoperakoor.nl/messa-di-gloria",
     "date": "2026-08-18"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/messa-di-gloria-2025-utrecht/"
  },
  {
   "id": "operetta-land-2025-amsterdam",
   "title": "Operetta Land",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "dno"
   ],
   "performances": [
    {
     "date": "2025-10-05",
     "time": "14:00",
     "place": "Nationale Opera & Ballet, Amsterdam",
     "venue": null
    },
    {
     "date": "2025-10-07",
     "time": "20:00",
     "place": "Nationale Opera & Ballet, Amsterdam",
     "venue": null
    },
    {
     "date": "2025-10-10",
     "time": "20:00",
     "place": "Nationale Opera & Ballet, Amsterdam",
     "venue": null
    },
    {
     "date": "2025-10-12",
     "time": "14:00",
     "place": "Nationale Opera & Ballet, Amsterdam",
     "venue": null
    },
    {
     "date": "2025-10-15",
     "time": "20:00",
     "place": "Nationale Opera & Ballet, Amsterdam",
     "venue": null
    },
    {
     "date": "2025-10-20",
     "time": "20:00",
     "place": "Nationale Opera & Ballet, Amsterdam",
     "venue": null
    },
    {
     "date": "2025-10-23",
     "time": "20:00",
     "place": "Nationale Opera & Ballet, Amsterdam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.operaballet.nl/en/dutch-national-opera/2025-2026/operetta-land",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.grootsenmeeslepend.nl/voorstellingen/operettaland/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/operetta-land-2025-amsterdam/"
  },
  {
   "id": "opera-is-leuker-dan-je-denkt-2025-naaldwijk",
   "title": "Opera is leuker dan je denkt!",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "goog"
   ],
   "performances": [
    {
     "date": "2025-10-26",
     "time": null,
     "place": "Oude Kerk, Naaldwijk (15:00), serie Oude Kerk Klassiek van WestlandTheater De Naald",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://goog.nl/wp-content/uploads/2025/10/wtdn.pdf",
     "date": "2026-08-14"
    },
    {
     "url": "https://goog.nl/fijne-concerten-in-velp-en-in-naaldwijk/",
     "date": "2026-08-14"
    },
    {
     "url": "https://goog.nl/volledige-concertgeschiedenis-goog/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/opera-is-leuker-dan-je-denkt-2025-naaldwijk/"
  },
  {
   "id": "liederen-zonder-grenzen-2025-woerden",
   "title": "Liederen zonder grenzen",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-viva-festival"
   ],
   "performances": [
    {
     "date": "2025-10-28",
     "time": null,
     "place": "11:30",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://operavivafestival.nl/festival-2025/",
     "date": "2026-07-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/liederen-zonder-grenzen-2025-woerden/"
  },
  {
   "id": "ah-l-amor-2025-woerden",
   "title": "Ah l'amor!",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-viva-festival"
   ],
   "performances": [
    {
     "date": "2025-10-30",
     "time": null,
     "place": "19:30, Istituto Italiano di Cultura, Amsterdam",
     "venue": null
    },
    {
     "date": "2025-11-02",
     "time": null,
     "place": "15:00, Theater Het Klooster, Woerden",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://operavivafestival.nl/festival-2025/",
     "date": "2026-07-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/ah-l-amor-2025-woerden/"
  },
  {
   "id": "schuif-je-aan-2025-woerden",
   "title": "Schuif je aan?",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-viva-festival"
   ],
   "performances": [
    {
     "date": "2025-11-01",
     "time": null,
     "place": "15:00, Kapel Weddesteyn",
     "venue": null
    },
    {
     "date": "2025-11-01",
     "time": null,
     "place": "19:30, Kapel Weddesteyn",
     "venue": null
    },
    {
     "date": "2025-11-21",
     "time": null,
     "place": "17:15, Bibliotheek/Dorpshuis Harmelen — 'Highlights van Schuif je aan?', minivoorstelling van 30 minuten",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://operavivafestival.nl/festival-2025/",
     "date": "2026-07-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/schuif-je-aan-2025-woerden/"
  },
  {
   "id": "hoffmanns-horror-2025-zeist",
   "title": "Hoffmanns Horror",
   "composer": "Jacques Offenbach",
   "librettist": "Jules Barbier",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "poly-hymnia-zeist"
   ],
   "performances": [
    {
     "date": "2025-11-07",
     "time": null,
     "place": "Figi Theater, Zeist",
     "venue": null
    },
    {
     "date": "2025-11-08",
     "time": null,
     "place": "Figi Theater, Zeist",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.polyhymnia-zeist.nl/hoffman-s-horror",
     "date": "2026-08-08"
    },
    {
     "url": "https://www.denieuwsbode.nl/lokaal/podiumkunsten/1223555/heerlijk-griezelen-met-poly-hymnia",
     "date": "2026-08-08"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/hoffmanns-horror-2025-zeist/"
  },
  {
   "id": "voortvarende-vrouwen-2025-veendam",
   "title": "Voortvarende Vrouwen",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "ovw-muziektheater"
   ],
   "performances": [
    {
     "date": "2025-11-14",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2025-11-15",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2025-11-16",
     "time": null,
     "place": "",
     "venue": null
    },
    {
     "date": "2026-03-07",
     "time": null,
     "place": "reprise tijdens de Aletta Avondwandeling (Nationaal Programma Groningen); locaties Noorderstraat / Rijks Hogere Burgerschool / Koepelkerk / Ontmoetingskerk",
     "venue": null
    }
   ],
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    {
     "url": "https://www.nationaalprogrammagroningen.nl/agenda/aletta-avondwandeling/",
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    },
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   ],
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  },
  {
   "id": "viktoria-und-ihr-husar-2025-purmerend",
   "title": "Viktoria und ihr Husar",
   "composer": "Paul Ábrahám",
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   "music_credit": null,
   "translation": null,
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   ],
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     "time": null,
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   ],
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    {
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    },
    {
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    },
    {
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    },
    {
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   ],
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  {
   "id": "jubileumconcert-55-jaar-2025-rosmalen",
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   "librettist": null,
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     "place": "De Kentering, Rosmalen (middag)",
     "venue": null
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   ],
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   "id": "a-waltz-to-remember-2026-arnhem",
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    {
     "date": "2026-03-26",
     "time": null,
     "place": "Schaffelaartheater, Barneveld",
     "venue": null
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   ],
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     "url": "https://goog.nl/volledige-concertgeschiedenis-goog/",
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    },
    {
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   ],
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    {
     "date": "2026-03-01",
     "time": null,
     "place": "Zaantheater, Zaandam",
     "venue": "zaantheater"
    },
    {
     "date": "2026-03-08",
     "time": null,
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
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   ],
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    },
    {
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    },
    {
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     "date": "2026-07-19"
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   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-2026-zaandam/"
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   "id": "piraten-van-penzance-2026-amsterdam",
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   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
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   ],
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    {
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     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
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    {
     "date": "2026-03-12",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    },
    {
     "date": "2026-03-13",
     "time": null,
     "place": "CREA, Amsterdam",
     "venue": "crea"
    }
   ],
   "sources": [
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     "url": "https://www.hetaspk.nl/piraten-van-penzance-2026/",
     "date": "2026-08-02"
    },
    {
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     "date": "2026-08-17"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/piraten-van-penzance-2026-amsterdam/"
  },
  {
   "id": "the-gondoliers-2026-dronter",
   "title": "The Gondoliers",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
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   ],
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    {
     "date": "2026-03-29",
     "time": null,
     "place": "Spant!, Bussum",
     "venue": null
    },
    {
     "date": "2026-11-29",
     "time": "14:00",
     "place": "De Meerpaal, Dronten (reprise)",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://www.gooiseoperette.nl/joomla/index.php/gondoliers",
     "date": "2026-07-18"
    },
    {
     "url": "https://www.gooiseoperette.nl/joomla/index.php/agenda",
     "date": "2026-07-26"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-gondoliers-2026-dronter/"
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   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "confirmed",
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   ],
   "performances": [
    {
     "date": "2026-04-13",
     "time": null,
     "place": "Volksoper, Wenen (Oostenrijk); première",
     "venue": null
    },
    {
     "date": "2026-04-14",
     "time": null,
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    },
    {
     "date": "2026-04-15",
     "time": null,
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    },
    {
     "date": "2026-04-17",
     "time": null,
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    },
    {
     "date": "2026-05-14",
     "time": null,
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    },
    {
     "date": "2026-09-15",
     "time": "20:00",
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    },
    {
     "date": "2026-09-23",
     "time": "20:00",
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    },
    {
     "date": "2026-10-07",
     "time": "20:00",
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    },
    {
     "date": "2026-10-19",
     "time": "20:00",
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    },
    {
     "date": "2026-10-26",
     "time": "19:00",
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    },
    {
     "date": "2026-11-03",
     "time": "20:00",
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    },
    {
     "date": "2026-11-18",
     "time": "20:00",
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    },
    {
     "date": "2026-11-23",
     "time": "20:00",
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    },
    {
     "date": "2026-12-01",
     "time": "20:00",
     "place": "Volksoper, Wenen (Oostenrijk)",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://www.grootsenmeeslepend.nl/agenda/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.volksoper.at/production/der-zarewitsch-2026.en.html",
     "date": "2026-08-14"
    },
    {
     "url": "https://www.volksoper.at/volksoper_wien/information/news_neuigkeiten/Pressestimmen_Zarewitsch.php",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zarewitsch-2026-wenen/"
  },
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   "id": "lustige-witwe-2026-zoetermeer",
   "title": "Die Lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2026-04-18",
     "time": null,
     "place": "Stadstheater Zoetermeer",
     "venue": "stadstheater-zoetermeer"
    },
    {
     "date": "2026-04-19",
     "time": null,
     "place": "Stadstheater Zoetermeer",
     "venue": "stadstheater-zoetermeer"
    }
   ],
   "sources": [
    {
     "url": "https://www.omroepwest.nl/cultuur/5091223/operettegezelschap-stopt-600-kostuums-mogelijk-naar-vuilcontainer",
     "date": "2026-04-16"
    },
    {
     "url": "https://www.zoetermeeractief.nl/nieuwshome/actueel/30423-laatste-operette-cantiamo-ontroert-publiek",
     "date": "2026-07-19"
    },
    {
     "url": "https://www.streekbladzoetermeer.nl/nieuws/actueel/168402/cantiamo-brengt-operette-spektakel-op-de-planken",
     "date": "2026-07-19"
    },
    {
     "url": "https://www.zoetermeeractief.nl/nieuwshome/actueel/30237-laatste-operette-cantiamo-die-lustige-witwe",
     "date": "2026-07-19"
    },
    {
     "url": "https://www.streekbladzoetermeer.nl/nieuws/actueel/167720/cantiamo-speelt-in-april-haar-laatste-voorstelling",
     "date": "2026-07-19"
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   ],
   "url": "https://operetteinnederland.nl/productie/lustige-witwe-2026-zoetermeer/"
  },
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   "id": "koren-op-de-rosmolen-2026-rosmalen",
   "title": "Koren op de Rosmolen",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "operette-rosmalen"
   ],
   "performances": [
    {
     "date": "2026-05-03",
     "time": null,
     "place": "middag",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.kliknieuwsdenbosch.nl/nieuws/kunst-en-cultuur/251427/rosmalens-mannenkoor-ontvangt-gastkoren-tijdens-tiende-editie",
     "date": "2026-07-19"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/koren-op-de-rosmolen-2026-rosmalen/"
  },
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   "id": "reis-naar-de-maan-2026-nijmegen",
   "title": "Reis naar de Maan",
   "composer": "Jacques Offenbach",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
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   ],
   "performances": [
    {
     "date": "2026-05-08",
     "time": "20:00",
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    },
    {
     "date": "2026-05-09",
     "time": "14:00",
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    },
    {
     "date": "2026-05-09",
     "time": "20:00",
     "place": "Theater De Lindenberg, Nijmegen",
     "venue": "de-lindenberg"
    }
   ],
   "sources": [
    {
     "url": "https://www.carminaludicra.nl/projecten/reis-naar-de-maan/",
     "date": "2026-07-12"
    },
    {
     "url": "https://www.carminaludicra.nl/projecten/reis-naar-de-maan/",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.carminaludicra.nl/welkom/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/reis-naar-de-maan-2026-nijmegen/"
  },
  {
   "id": "wiener-cafe-vol-romantiek-2026-heerhugowaard",
   "title": "Wiener Café vol Romantiek",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-avanti"
   ],
   "performances": [
    {
     "date": "2026-05-10",
     "time": null,
     "place": "Cool kunst en cultuur, Heerhugowaard",
     "venue": "cool-heerhugowaard"
    }
   ],
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     "url": "https://www.rodi.nl/dijkenwaard/uit/493149/een-middag-vol-weense-romantiek-en-muzikale-verleiding-in-cool",
     "date": "2026-07-19"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/wiener-cafe-vol-romantiek-2026-heerhugowaard/"
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   "id": "l-etoile-opera-zuid",
   "title": "L'Étoile",
   "composer": "Emmanuel Chabrier",
   "librettist": "Eugène Leterrier en Albert Vanloo",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "opera-zuid"
   ],
   "performances": [
    {
     "date": "2026-05-17",
     "time": null,
     "place": "Parktheater Eindhoven",
     "venue": null
    },
    {
     "date": "2026-06-19",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.theaterkrant.nl/recensie/letoile-2/opera-zuid/",
     "date": "2026-05-18"
    },
    {
     "url": "https://www.operamagazine.nl/recensies/78753/chabriers-letoile-straalt-bij-opera-zuid/",
     "date": "2026-05-18"
    },
    {
     "url": "https://www.brabantcultureel.nl/2026/05/14/opera-zuid-toont-de-relevantie-van-de-op-luchtige-muziek-gezette-malle-heerser-ouf-i/",
     "date": "2026-05-14"
    },
    {
     "url": "https://www.theater.nl/letoile-opera-zuid?voorstelling=19-06-2026&editie=192247",
     "date": "2026-06-19"
    },
    {
     "url": "https://www.trouw.nl/cultuur-media/l-etoile-van-opera-zuid-is-heerlijk-levendig-en-vrolijk~b22141e3b/",
     "date": "2026-07-19"
    },
    {
     "url": "https://www.volkskrant.nl/muziek/l-etoile-door-opera-zuid-is-een-uitbundig-spektakel-vol-hilarische-nieuwe-teksten~bbe7f7c8/",
     "date": "2026-07-19"
    },
    {
     "url": "https://www.limburger.nl/media-cultuur/theater/opera-zuid-maakt-goede-sier-met-uitvoering-letoile-al-zou-een-scheut-humor-geen-kwaad-kunnen/153480773.html",
     "date": "2026-07-19"
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   ],
   "url": "https://operetteinnederland.nl/productie/l-etoile-opera-zuid/"
  },
  {
   "id": "t-geit-stobbe-2026-maastricht",
   "title": "'t Geit Stöbbe",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "mestreechter-ov"
   ],
   "performances": [
    {
     "date": "2026-05-29",
     "time": null,
     "place": "AINSI, Maastricht",
     "venue": null
    },
    {
     "date": "2026-05-30",
     "time": null,
     "place": "AINSI, Maastricht",
     "venue": null
    },
    {
     "date": "2026-05-31",
     "time": null,
     "place": "AINSI, Maastricht",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "http://www.movmaastricht.nl/over-mov",
     "date": "2026-08-02"
    },
    {
     "url": "http://www.movmaastricht.nl/fotogalerij",
     "date": "2026-08-02"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/t-geit-stobbe-2026-maastricht/"
  },
  {
   "id": "vervlogen-2026-geleen",
   "title": "Vervlogen",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-compact"
   ],
   "performances": [
    {
     "date": "2026-06-26",
     "time": null,
     "place": "22:00, Markt, Geleen — openingsact van Spectaculo Festival 2026",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.operacompact.nl/voorstellingen/vervlogen/",
     "date": "2026-07-21"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/vervlogen-2026-geleen/"
  },
  {
   "id": "der-rosenkavalier-2026-spanga",
   "title": "Der Rosenkavalier",
   "composer": "Richard Strauss",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "past",
   "organizations": [
    "opera-spanga"
   ],
   "performances": [
    {
     "date": "2026-07-23",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    },
    {
     "date": "2026-07-25",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    },
    {
     "date": "2026-07-28",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    },
    {
     "date": "2026-07-30",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    },
    {
     "date": "2026-08-01",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    },
    {
     "date": "2026-08-04",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    },
    {
     "date": "2026-08-06",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    },
    {
     "date": "2026-08-08",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    },
    {
     "date": "2026-08-11",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    },
    {
     "date": "2026-08-13",
     "time": null,
     "place": "Lindedijk 11, Spanga",
     "venue": null
    }
   ],
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    {
     "url": "https://www.operaspanga.nl/mijn-engel-ik-geloof-je-programma/zomer-2026-der-rosenkavalier/",
     "date": "2026-07-19"
    },
    {
     "url": "https://www.stellingwerf.nl/dorpen/opera-spanga-der-rosenkavalier/158612998.html",
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    {
     "url": "https://www.theaterkrant.nl/recensie/der-rosenkavalier-3/opera-spanga/",
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    {
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    {
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    {
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     "time": null,
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    },
    {
     "date": "2026-09-03",
     "time": null,
     "place": "Equine Park, Hulsberg",
     "venue": null
    },
    {
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     "time": null,
     "place": "Equine Park, Hulsberg",
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    },
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     "time": null,
     "place": "Equine Park, Hulsberg",
     "venue": null
    },
    {
     "date": "2027-02-20",
     "time": "20:00",
     "place": "Theater de Oranjerie, Roermond",
     "venue": null
    },
    {
     "date": "2027-02-21",
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    },
    {
     "date": "2027-02-28",
     "time": "15:00",
     "place": "Isala Theater, Capelle aan den IJssel",
     "venue": null
    },
    {
     "date": "2027-03-06",
     "time": "20:15",
     "place": "Theater De Lievekamp, Oss",
     "venue": null
    },
    {
     "date": "2027-03-20",
     "time": "20:00",
     "place": "Agnietenhof, Tiel",
     "venue": null
    }
   ],
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    },
    {
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    },
    {
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    {
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   "id": "tulip-town-2026-tour",
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    {
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    {
     "date": "2026-09-10",
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     "venue": "stadsschouwburg-haarlem"
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    {
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     "venue": "stadsschouwburg-haarlem"
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    {
     "date": "2026-09-20",
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     "venue": "stadsschouwburg-haarlem"
    },
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    {
     "date": "2026-09-24",
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     "date": "2026-09-26",
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     "venue": null
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    {
     "date": "2026-09-29",
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     "venue": null
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    {
     "date": "2026-09-30",
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     "venue": null
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    {
     "date": "2026-10-01",
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     "venue": null
    },
    {
     "date": "2026-10-02",
     "time": "20:00",
     "place": "Luxor, Rotterdam",
     "venue": null
    },
    {
     "date": "2026-10-03",
     "time": "20:00",
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     "venue": null
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    {
     "date": "2026-10-04",
     "time": "15:00",
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     "venue": null
    },
    {
     "date": "2026-10-08",
     "time": "20:15",
     "place": "SPOT, Groningen",
     "venue": null
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    {
     "date": "2026-10-09",
     "time": "20:15",
     "place": "SPOT, Groningen",
     "venue": null
    },
    {
     "date": "2026-10-10",
     "time": "20:15",
     "place": "SPOT, Groningen",
     "venue": null
    },
    {
     "date": "2026-10-15",
     "time": "20:00",
     "place": "Stadsschouwburg Utrecht",
     "venue": "stadsschouwburg-utrecht"
    },
    {
     "date": "2026-10-16",
     "time": "20:00",
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     "venue": "stadsschouwburg-utrecht"
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    {
     "date": "2026-10-17",
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    },
    {
     "date": "2026-10-18",
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     "venue": "stadsschouwburg-utrecht"
    },
    {
     "date": "2026-10-21",
     "time": "20:00",
     "place": "De Spiegel, Zwolle",
     "venue": null
    },
    {
     "date": "2026-10-22",
     "time": "20:00",
     "place": "De Spiegel, Zwolle",
     "venue": null
    },
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     "time": "20:00",
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    {
     "date": "2026-10-24",
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    },
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     "date": "2026-10-29",
     "time": "19:45",
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     "venue": "amare"
    },
    {
     "date": "2026-10-30",
     "time": "19:00",
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    },
    {
     "date": "2026-10-31",
     "time": "20:15",
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    },
    {
     "date": "2026-11-01",
     "time": "15:00",
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    },
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     "date": "2026-11-04",
     "time": "20:30",
     "place": "DeLaMar, Amsterdam",
     "venue": null
    },
    {
     "date": "2026-11-05",
     "time": "20:30",
     "place": "DeLaMar, Amsterdam",
     "venue": null
    },
    {
     "date": "2026-11-06",
     "time": "20:30",
     "place": "DeLaMar, Amsterdam",
     "venue": null
    },
    {
     "date": "2026-11-07",
     "time": "20:30",
     "place": "DeLaMar, Amsterdam",
     "venue": null
    },
    {
     "date": "2026-11-08",
     "time": "14:30",
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     "venue": null
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     "url": "https://www.theater.nl/tulip-town?editie=199934",
     "date": "2026-08-21"
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    {
     "url": "https://www.theater.nl/voorstellingen/opera",
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    {
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    },
    {
     "url": "https://www.theater.nl/tulip-town?editie=201176",
     "date": "2026-07-18"
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    {
     "url": "https://www.theater.nl/tulip-town?editie=203953",
     "date": "2026-07-18"
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    {
     "url": "https://www.theater.nl/tulip-town/?editie=204462",
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    {
     "url": "https://www.haarlemupdates.nl/2026/01/16/punkoperette-tulip-town-trapt-theaterseizoen-af/",
     "date": "2026-07-18"
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     "url": "https://www.grootsenmeeslepend.nl/agenda/",
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    {
     "url": "https://www.grootsenmeeslepend.nl/voorstellingen/tuliptown/",
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   "url": "https://operetteinnederland.nl/productie/tulip-town-2026-tour/"
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   "id": "kolja-2026-tour",
   "title": "KOLJA",
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   "translation": null,
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     "time": "19:30",
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     "time": "19:30",
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    {
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    {
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    },
    {
     "date": "2026-09-10",
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    },
    {
     "date": "2026-09-11",
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    },
    {
     "date": "2026-09-12",
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     "venue": null
    },
    {
     "date": "2026-09-16",
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    {
     "date": "2026-09-17",
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    {
     "date": "2026-09-18",
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     "venue": "stadsschouwburg-utrecht"
    },
    {
     "date": "2026-09-23",
     "time": null,
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   ],
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     "date": "2026-08-18"
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    {
     "url": "https://www.kolja.nl/",
     "date": "2026-08-18"
    },
    {
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   ],
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     "date": "2026-09-11",
     "time": "20:00",
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     "venue": "cc-tiliander"
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     "date": "2026-09-12",
     "time": "20:00",
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    },
    {
     "date": "2026-09-21",
     "time": "20:00",
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     "venue": "cc-jan-van-besouw"
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   ],
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     "date": "2026-08-20"
    },
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   "url": "https://operetteinnederland.nl/productie/hms-pinafore-2026-oisterwijk/"
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   "librettist": "Fedor Coenen",
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   "translation": null,
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   ],
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     "date": "2026-09-11",
     "time": null,
     "place": "20:30, Kasteel Montfort",
     "venue": null
    },
    {
     "date": "2026-09-12",
     "time": null,
     "place": "20:30, Kasteel Montfort",
     "venue": null
    }
   ],
   "sources": [
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     "url": "https://www.operacompact.nl/voorstellingen/reinoud-de-strijdvaardige/",
     "date": "2026-07-21"
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   ],
   "url": "https://operetteinnederland.nl/productie/reinoud-de-strijdvaardige-2026-montfort/"
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   "id": "vrij-lief-2026-weert",
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   "librettist": null,
   "music_credit": null,
   "translation": null,
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     "date": "2026-09-20",
     "time": null,
     "place": "Cultureel Lint Weert; tijd nog niet bekendgemaakt",
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    },
    {
     "date": "2026-11-17",
     "time": "10:00",
     "place": "Theater Kumulus, Maastricht; schoolvoorstelling",
     "venue": null
    },
    {
     "date": "2026-11-17",
     "time": "13:00",
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     "venue": null
    },
    {
     "date": "2027-02-21",
     "time": "14:00",
     "place": "PLUUSJ familietheaterfestival, Toon Hermans Theater, Sittard",
     "venue": null
    },
    {
     "date": "2027-02-21",
     "time": "16:00",
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     "venue": null
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   ],
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    {
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   ],
   "url": "https://operetteinnederland.nl/productie/vrij-lief-2026-weert/"
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   "id": "jubileumconcert-70-jaar-2026-zaandam",
   "title": "Jubileumconcert 70 jaar",
   "composer": "divers",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "announced",
   "organizations": [
    "czaar-peter"
   ],
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    {
     "date": "2026-10-04",
     "time": "14:00",
     "place": "Bullekerk, Zaandam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://bullekerk.nl/agenda/zaanse-operette-vereniging-czaar-peter-jubileumconcert-70-jaar/",
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    }
   ],
   "url": "https://operetteinnederland.nl/productie/jubileumconcert-70-jaar-2026-zaandam/"
  },
  {
   "id": "cherry-town-dno",
   "title": "Cherry Town",
   "composer": "Dmitri Sjostakovitsj",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "announced",
   "organizations": [
    "dno"
   ],
   "performances": [
    {
     "date": "2026-10-08",
     "time": "20:00",
     "place": "Nationale Opera & Ballet, Amsterdam",
     "venue": null
    },
    {
     "date": "2026-10-10",
     "time": "20:00",
     "place": "Nationale Opera & Ballet, Amsterdam",
     "venue": null
    },
    {
     "date": "2026-10-11",
     "time": "14:00",
     "place": "Nationale Opera & Ballet, Amsterdam",
     "venue": null
    },
    {
     "date": "2026-10-16",
     "time": "20:00",
     "place": "Nationale Opera & Ballet, Amsterdam",
     "venue": null
    },
    {
     "date": "2026-10-20",
     "time": "20:00",
     "place": "Nationale Opera & Ballet, Amsterdam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.operaballet.nl/de-nationale-opera/2026-2027/cherry-town",
     "date": "2026-07-18"
    },
    {
     "url": "https://www.operaballet.nl/de-nationale-opera/2026-2027/cherry-town",
     "date": "2026-08-03"
    },
    {
     "url": "https://www.classic.nl/nieuwe-seizoen-2026-2027-nationale-opera-en-ballet",
     "date": "2026-08-21"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/cherry-town-dno/"
  },
  {
   "id": "bubbels-belcanto-2026-breda",
   "title": "Bubbels & Belcanto",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "announced",
   "organizations": [
    "stichting-zuid-nederlands-opera-operettekoor-wilhelmina"
   ],
   "performances": [
    {
     "date": "2026-10-17",
     "time": null,
     "place": "Waalse Kerk, Breda",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://koorwilhelmina.nl",
     "date": "2026-08-06"
    },
    {
     "url": "https://koorwilhelmina.nl/tickets-opera-operette-koor/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/bubbels-belcanto-2026-breda/"
  },
  {
   "id": "la-belle-helene-2026-emmeloord-zwolle-kampen",
   "title": "La Belle Hélène",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "announced",
   "organizations": [
    "muziektheatervereniging-la-mascotte"
   ],
   "performances": [
    {
     "date": "2026-10-31",
     "time": null,
     "place": "Theater 't Voorhuys, Emmeloord",
     "venue": "theater-t-voorhuys"
    },
    {
     "date": "2026-11-01",
     "time": null,
     "place": "Theater 't Voorhuys, Emmeloord",
     "venue": "theater-t-voorhuys"
    },
    {
     "date": "2026-11-08",
     "time": null,
     "place": "Stadsgehoorzaal Kampen",
     "venue": "stadsgehoorzaal-kampen"
    }
   ],
   "sources": [
    {
     "url": "https://www.flevopost.nl/noordoostpolder/la-mascotte-redt-nieuwe-voorstelling-met-crowdfunding/157901164.html",
     "date": "2026-07-18"
    },
    {
     "url": "https://www.lamascotte.nl/komende-productie-4/",
     "date": "2026-07-19"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/la-belle-helene-2026-emmeloord-zwolle-kampen/"
  },
  {
   "id": "il-suono-dell-acqua-e-della-terra-2026-woerden",
   "title": "Il suono dell'acqua e della terra",
   "composer": "Luciano Berio",
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "announced",
   "organizations": [
    "opera-viva-festival"
   ],
   "performances": [
    {
     "date": "2026-11-07",
     "time": null,
     "place": "Klooster Woerden, Woerden",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://operavivafestival.nl/programma-opera-viva-festival-2026/",
     "date": "2026-07-29"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/il-suono-dell-acqua-e-della-terra-2026-woerden/"
  },
  {
   "id": "pimpinone-2026-woerden",
   "title": "Pimpinone",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "announced",
   "organizations": [
    "opera-viva-festival"
   ],
   "performances": [
    {
     "date": "2026-11-07",
     "time": null,
     "place": "Theater Het Klooster, Woerden",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://operavivafestival.nl/programma-opera-viva-festival-2026/",
     "date": "2026-07-20"
    },
    {
     "url": "https://operavivafestival.nl/pop-up-programma/",
     "date": "2026-07-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/pimpinone-2026-woerden/"
  },
  {
   "id": "passpoort-naar-de-opera-2026-woerden",
   "title": "Passpoort naar de Opera",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "announced",
   "organizations": [
    "opera-viva-festival"
   ],
   "performances": [
    {
     "date": "2026-11-08",
     "time": null,
     "place": "Opstandingskerk, Woerden",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://operavivafestival.nl/programma-opera-viva-festival-2026/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/passpoort-naar-de-opera-2026-woerden/"
  },
  {
   "id": "iolanthe-2026-oostzaan",
   "title": "Iolanthe",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "Gerard Knoppers",
   "category": "core",
   "status": "announced",
   "organizations": [
    "bel-canto-oostzaan"
   ],
   "performances": [
    {
     "date": "2026-11-21",
     "time": null,
     "place": "Theater De KunstGreep, Oostzaan",
     "venue": "de-kunstgreep"
    },
    {
     "date": "2026-11-22",
     "time": null,
     "place": "Theater De KunstGreep, Oostzaan",
     "venue": "de-kunstgreep"
    },
    {
     "date": "2026-11-28",
     "time": null,
     "place": "Theater De KunstGreep, Oostzaan",
     "venue": "de-kunstgreep"
    },
    {
     "date": "2026-11-29",
     "time": null,
     "place": "Theater De KunstGreep, Oostzaan",
     "venue": "de-kunstgreep"
    }
   ],
   "sources": [
    {
     "url": "https://www.belcanto-oostzaan.nl/operette/iolanthe-2026/",
     "date": "2026-08-19"
    },
    {
     "url": "https://www.belcanto-oostzaan.nl/",
     "date": "2026-08-13"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/iolanthe-2026-oostzaan/"
  },
  {
   "id": "martha-2026-weert",
   "title": "Martha",
   "composer": "Friedrich von Flotow",
   "librettist": "Friedrich Wilhelm Riese",
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "announced",
   "organizations": [
    "wokmuziektheater"
   ],
   "performances": [
    {
     "date": "2026-11-27",
     "time": null,
     "place": "Munttheater, Weert",
     "venue": "munttheater"
    },
    {
     "date": "2026-11-28",
     "time": null,
     "place": "Munttheater, Weert",
     "venue": "munttheater"
    },
    {
     "date": "2026-11-29",
     "time": null,
     "place": "Munttheater, Weert",
     "venue": "munttheater"
    }
   ],
   "sources": [
    {
     "url": "https://www.nederweert24.nl/2026/05/24/wokmuziektheater-brengt-romantisch-komische-opera-martha/",
     "date": "2026-07-18"
    },
    {
     "url": "https://www.wokmuziektheater.nl/martha/",
     "date": "2026-07-19"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/martha-2026-weert/"
  },
  {
   "id": "h-m-s-pinafore-2027-veendam",
   "title": "H.M.S. Pinafore",
   "composer": "Arthur Sullivan",
   "librettist": "W.S. Gilbert",
   "music_credit": null,
   "translation": "John Lust",
   "category": "core",
   "status": "announced",
   "organizations": [
    "ovw-muziektheater"
   ],
   "performances": [
    {
     "date": "2027",
     "time": null,
     "place": "",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://github.com/Timsey/operette-nl/blob/main/pipeline/sources/partitura-verhuurlijst.md",
     "date": "2026-08-20"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/h-m-s-pinafore-2027-veendam/"
  },
  {
   "id": "die-lustige-witwe-2027-zaandam",
   "title": "Die Lustige Witwe",
   "composer": "Franz Lehár",
   "librettist": "Victor Léon en Leo Stein",
   "music_credit": null,
   "translation": "Joop Fransen",
   "category": "core",
   "status": "announced",
   "organizations": [
    "czaar-peter"
   ],
   "performances": [
    {
     "date": "2027-03-21",
     "time": "14:15",
     "place": "Zaantheater, Zaandam",
     "venue": "zaantheater"
    },
    {
     "date": "2027-04-04",
     "time": "14:15",
     "place": "Theater De Beun, Heiloo",
     "venue": "theater-de-beun"
    }
   ],
   "sources": [
    {
     "url": "https://czaar-peter.nl/",
     "date": "2026-07-18"
    },
    {
     "url": "https://czaar-peter.nl/",
     "date": "2026-08-16"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-lustige-witwe-2027-zaandam/"
  },
  {
   "id": "der-vogelhandler-2027-aspk",
   "title": "De Vogelkoopman",
   "composer": "Carl Zeller",
   "librettist": "Moritz West en Ludwig Held",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "announced",
   "organizations": [
    "aspk"
   ],
   "performances": [
    {
     "date": "2027-04",
     "time": null,
     "place": "zaal nog onbekend",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.hetaspk.nl/",
     "date": "2026-08-02"
    },
    {
     "url": "https://www.hetaspk.nl/",
     "date": "2026-08-10"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-vogelhandler-2027-aspk/"
  },
  {
   "id": "frau-luna-haarlem",
   "title": "Frau Luna",
   "composer": "Paul Lincke",
   "librettist": "Heinrich Bolten-Baeckers",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "announced",
   "organizations": [
    "opera-zuid",
    "groots-en-meeslepend"
   ],
   "performances": [
    {
     "date": "2027-05-14",
     "time": null,
     "place": "Parktheater, Eindhoven",
     "venue": null
    },
    {
     "date": "2027-05-16",
     "time": null,
     "place": "Parktheater, Eindhoven, premiere",
     "venue": null
    },
    {
     "date": "2027-05-18",
     "time": null,
     "place": "Theater aan het Vrijthof, Maastricht",
     "venue": null
    },
    {
     "date": "2027-05-20",
     "time": null,
     "place": "Theater Rotterdam",
     "venue": null
    },
    {
     "date": "2027-05-22",
     "time": null,
     "place": "PLT, Heerlen",
     "venue": null
    },
    {
     "date": "2027-05-25",
     "time": null,
     "place": "DeLaMar, Amsterdam",
     "venue": null
    },
    {
     "date": "2027-05-27",
     "time": null,
     "place": "Chassé Theater, Breda",
     "venue": null
    },
    {
     "date": "2027-06-01",
     "time": null,
     "place": "Stadsschouwburg Haarlem",
     "venue": null
    },
    {
     "date": "2027-06-03",
     "time": null,
     "place": "Maaspoort, Venlo",
     "venue": null
    },
    {
     "date": "2027-06-04",
     "time": null,
     "place": "SPOT, Groningen",
     "venue": null
    },
    {
     "date": "2027-06-06",
     "time": null,
     "place": "Amare, Den Haag",
     "venue": null
    },
    {
     "date": "2027-06-08",
     "time": null,
     "place": "Schouwburg Tilburg",
     "venue": null
    },
    {
     "date": "2027-06-10",
     "time": null,
     "place": "Stadsschouwburg Utrecht",
     "venue": null
    },
    {
     "date": "2027-06-12",
     "time": null,
     "place": "Wilminktheater, Enschede",
     "venue": null
    },
    {
     "date": "2027-06-18",
     "time": null,
     "place": "Openluchttheater Valkenburg, concertant",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.theater.nl/frau-luna-opera-zuid?voorstelling=01-06-2027&editie=204962",
     "date": "2026-07-18"
    },
    {
     "url": "https://operazuid.nl/voorstelling/frau-luna/",
     "date": "2026-07-18"
    },
    {
     "url": "https://www.grootsenmeeslepend.nl/agenda/",
     "date": "2026-07-26"
    },
    {
     "url": "https://www.grootsenmeeslepend.nl/agenda/",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/frau-luna-haarlem/"
  },
  {
   "id": "volksopera-buikslotermeerplein-2027-amsterdam",
   "title": "Volksopera Buikslotermeerplein",
   "composer": null,
   "librettist": null,
   "music_credit": null,
   "translation": null,
   "category": "operetta-adjacent",
   "status": "rumoured",
   "organizations": [
    "volksopera-nederland"
   ],
   "performances": [
    {
     "date": "2027-06-25",
     "time": null,
     "place": "Buikslotermeerplein, Amsterdam",
     "venue": null
    }
   ],
   "sources": [
    {
     "url": "https://www.volksopera.nl/stel-je-voor-het-buikslotermeerplein-in-de-hoofdrol/",
     "date": "2026-07-18"
    },
    {
     "url": "https://www.rodi.nl/amsterdam-noord/nieuws/500906/volksopera-keert-terug-naar-noord-met-buikslotermeerplein-in-de-hoofdrol",
     "date": "2026-08-21"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/volksopera-buikslotermeerplein-2027-amsterdam/"
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  {
   "id": "the-mikado-2027-zoetermeer",
   "title": "The Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "announced",
   "organizations": [
    "cantiamo-zoetermeer"
   ],
   "performances": [
    {
     "date": "2027-11-06",
     "time": null,
     "place": "Stadstheater Zoetermeer",
     "venue": "stadstheater-zoetermeer"
    },
    {
     "date": "2027-11-07",
     "time": null,
     "place": "Stadstheater Zoetermeer",
     "venue": "stadstheater-zoetermeer"
    }
   ],
   "sources": [
    {
     "url": "https://www.cantiamo.nl/menu/agenda",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/the-mikado-2027-zoetermeer/"
  },
  {
   "id": "boccaccio-mijdrecht",
   "title": "Boccaccio",
   "composer": "Franz von Suppé",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rom-koor-mijdrecht"
   ],
   "performances": [],
   "sources": [
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     "url": "https://rom-koor.weebly.com/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/boccaccio-mijdrecht/"
  },
  {
   "id": "de-bandieten-haren",
   "title": "Der Bandieten",
   "composer": "Jacques Offenbach",
   "librettist": "Henri Meilhac en Ludovic Halévy",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "harener-thalia"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://thaliaharen.nl/wp-content/uploads/2024/12/Thalia-60-jaar-juiste-versie.pdf",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-bandieten-haren/"
  },
  {
   "id": "de-mikado-haren",
   "title": "De Mikado",
   "composer": "Arthur Sullivan",
   "librettist": "W. S. Gilbert",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "harener-thalia"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://thaliaharen.nl/wp-content/uploads/2024/12/Thalia-60-jaar-juiste-versie.pdf",
     "date": "2026-08-03"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/de-mikado-haren/"
  },
  {
   "id": "der-bettelstudent-mijdrecht",
   "title": "Der Bettelstudent",
   "composer": "Carl Millöcker",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rom-koor-mijdrecht"
   ],
   "performances": [],
   "sources": [
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     "url": "https://rom-koor.weebly.com/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-bettelstudent-mijdrecht/"
  },
  {
   "id": "der-zigeunerbaron-mijdrecht",
   "title": "Der Zigeunerbaron",
   "composer": "Johann Strauss jr.",
   "librettist": "Ignaz Schnitzer",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rom-koor-mijdrecht"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://rom-koor.weebly.com/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/der-zigeunerbaron-mijdrecht/"
  },
  {
   "id": "die-csardasfurstin-voorschoten",
   "title": "Die Csárdásfürstin",
   "composer": "Emmerich Kálmán",
   "librettist": "Leo Stein en Béla Jenbach",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "belcanto-voorschoten"
   ],
   "performances": [],
   "sources": [
    {
     "url": "http://www.muziektheater-nederland.nl/omlandia-warffum/links_uitvoeringen.htm",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/die-csardasfurstin-voorschoten/"
  },
  {
   "id": "eine-nacht-in-venedig-mijdrecht",
   "title": "Eine Nacht in Venedig",
   "composer": "Johann Strauss jr.",
   "librettist": "F. Zell en Richard Genée",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rom-koor-mijdrecht"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://rom-koor.weebly.com/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/eine-nacht-in-venedig-mijdrecht/"
  },
  {
   "id": "maske-in-blau-mijdrecht",
   "title": "Maske in Blau",
   "composer": "Fred Raymond",
   "librettist": "boek Heinz Hentschke, liedteksten Günther Schwenn",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rom-koor-mijdrecht"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://rom-koor.weebly.com/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/maske-in-blau-mijdrecht/"
  },
  {
   "id": "viktoria-und-ihr-husar-mijdrecht",
   "title": "Viktoria und ihr Husar",
   "composer": "Paul Ábrahám",
   "librettist": "Alfred Grünwald en Fritz Löhner-Beda",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "rom-koor-mijdrecht"
   ],
   "performances": [],
   "sources": [
    {
     "url": "https://rom-koor.weebly.com/",
     "date": "2026-08-14"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/viktoria-und-ihr-husar-mijdrecht/"
  },
  {
   "id": "viktoria-und-ihr-husar-voorschoten",
   "title": "Viktoria und ihr Husar",
   "composer": "Paul Ábrahám",
   "librettist": "Alfred Grünwald en Fritz Löhner-Beda",
   "music_credit": null,
   "translation": null,
   "category": "core",
   "status": "past",
   "organizations": [
    "belcanto-voorschoten"
   ],
   "performances": [],
   "sources": [
    {
     "url": "http://www.muziektheater-nederland.nl/omlandia-warffum/links_uitvoeringen.htm",
     "date": "2026-08-07"
    }
   ],
   "url": "https://operetteinnederland.nl/productie/viktoria-und-ihr-husar-voorschoten/"
  }
 ],
 "organizations": [
  {
   "id": "amsterdams-operette-gezelschap",
   "name": "Amsterdams Operette Gezelschap",
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   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/amsterdams-operette-gezelschap/"
  },
  {
   "id": "apeldoornse-operette-vereniging",
   "name": "Apeldoornse Operette Vereniging",
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   "city": "Apeldoorn",
   "province": "Gelderland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/apeldoornse-operette-vereniging/"
  },
  {
   "id": "azov-musicals",
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   "city": "Abbekerk",
   "province": "Noord-Holland",
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  },
  {
   "id": "baronie-muziektheater",
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  },
  {
   "id": "bel-canto-oostzaan",
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   "province": "Noord-Holland",
   "website": "https://www.belcanto-oostzaan.nl/",
   "url": "https://operetteinnederland.nl/organisatie/bel-canto-oostzaan/"
  },
  {
   "id": "beverwijks-opera-en-operettekoor-animo",
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   "province": "Noord-Holland",
   "website": "https://animo-beverwijk.webnode.nl/",
   "url": "https://operetteinnederland.nl/organisatie/beverwijks-opera-en-operettekoor-animo/"
  },
  {
   "id": "bijlmer-ov",
   "name": "Bijlmer Operette Vereniging",
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   "url": "https://operetteinnederland.nl/organisatie/bijlmer-ov/"
  },
  {
   "id": "brabantse-operette-spelers",
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   "city": "Tilburg",
   "province": "Noord-Brabant",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/brabantse-operette-spelers/"
  },
  {
   "id": "caecilia-muziektheater-langedijk",
   "name": "Caecilia Muziektheater",
   "status": "active",
   "city": "Noord-Scharwoude",
   "province": "Noord-Holland",
   "website": "https://www.caecilia-muziektheater.nl/",
   "url": "https://operetteinnederland.nl/organisatie/caecilia-muziektheater-langedijk/"
  },
  {
   "id": "cantiamo-zoetermeer",
   "name": "Cantiamo",
   "status": "active",
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   "province": "Zuid-Holland",
   "website": "https://www.cantiamo.nl/",
   "url": "https://operetteinnederland.nl/organisatie/cantiamo-zoetermeer/"
  },
  {
   "id": "gooise-operette",
   "name": "De Gooise Operette",
   "status": "active",
   "city": "Huizen",
   "province": "Noord-Holland",
   "website": "https://www.gooiseoperette.nl/",
   "url": "https://operetteinnederland.nl/organisatie/gooise-operette/"
  },
  {
   "id": "gooise-operette-spelers",
   "name": "De Gooise Operette Spelers",
   "status": "dormant",
   "city": "Hilversum",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/gooise-operette-spelers/"
  },
  {
   "id": "de-haagsche-operette",
   "name": "De Haagsche Operette",
   "status": "dissolved",
   "city": "Den Haag",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/de-haagsche-operette/"
  },
  {
   "id": "de-haghezangers",
   "name": "De Haghezangers",
   "status": "dissolved",
   "city": "Den Haag",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/de-haghezangers/"
  },
  {
   "id": "de-hollandsche-operette",
   "name": "De Hollandsche Operette",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/de-hollandsche-operette/"
  },
  {
   "id": "dno",
   "name": "De Nationale Opera",
   "status": "active",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": "https://www.operaballet.nl/",
   "url": "https://operetteinnederland.nl/organisatie/dno/"
  },
  {
   "id": "de-nationale-operette",
   "name": "De Nationale Operette",
   "status": "active",
   "city": "Veghel",
   "province": "Noord-Brabant",
   "website": "https://nationaleoperette.nl/",
   "url": "https://operetteinnederland.nl/organisatie/de-nationale-operette/"
  },
  {
   "id": "nederlandsche-operette-kees-van-dam",
   "name": "De Nederlandsche operette o.l.v. Kees van Dam",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/nederlandsche-operette-kees-van-dam/"
  },
  {
   "id": "nieuwe-nederlandse-operette",
   "name": "De Nieuwe Nederlandse Operette",
   "status": "unverified",
   "city": "Den Haag",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/nieuwe-nederlandse-operette/"
  },
  {
   "id": "de-operettezangers-amsterdam",
   "name": "De Operettezangers (Amsterdam)",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/de-operettezangers-amsterdam/"
  },
  {
   "id": "de-operettezangers-zaandam",
   "name": "De Operettezangers (Zaandam)",
   "status": "dormant",
   "city": "Zaandam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/de-operettezangers-zaandam/"
  },
  {
   "id": "de-operisten",
   "name": "De Operisten",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/de-operisten/"
  },
  {
   "id": "dook-delfzijl",
   "name": "Delfzijlster Opera- en Operette Koor",
   "status": "active",
   "city": "Delfzijl",
   "province": "Groningen",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/dook-delfzijl/"
  },
  {
   "id": "downsouth-oisterwijk",
   "name": "DownSouth Oisterwijk",
   "status": "active",
   "city": "Oisterwijk",
   "province": "Noord-Brabant",
   "website": "https://downsouthoisterwijk.nl/",
   "url": "https://operetteinnederland.nl/organisatie/downsouth-oisterwijk/"
  },
  {
   "id": "edog",
   "name": "Eerste Diemer Operette Gezelschap",
   "status": "active",
   "city": "Diemen",
   "province": "Noord-Holland",
   "website": "https://www.edog.nl/",
   "url": "https://operetteinnederland.nl/organisatie/edog/"
  },
  {
   "id": "zonnig-brabant-eindhoven",
   "name": "Eindhovens Operettegezelschap Zonnig Brabant",
   "status": "dissolved",
   "city": "Eindhoven",
   "province": "Noord-Brabant",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/zonnig-brabant-eindhoven/"
  },
  {
   "id": "elstars-muziektheater-tiel",
   "name": "Elstars MuziekTheater",
   "status": "active",
   "city": "Tiel",
   "province": "Gelderland",
   "website": "https://www.elstarsmuziektheater.nl/",
   "url": "https://operetteinnederland.nl/organisatie/elstars-muziektheater-tiel/"
  },
  {
   "id": "ensemble-beppie-de-vries",
   "name": "Ensemble Beppie de Vries",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/ensemble-beppie-de-vries/"
  },
  {
   "id": "frascati-operette-ensemble",
   "name": "Frascati Operette Ensemble",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/frascati-operette-ensemble/"
  },
  {
   "id": "friese-operavereniging",
   "name": "Friese Operavereniging",
   "status": "dissolved",
   "city": "Leeuwarden",
   "province": "Friesland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/friese-operavereniging/"
  },
  {
   "id": "fritz-hirsch-operette",
   "name": "Fritz Hirsch Operette",
   "status": "dissolved",
   "city": "Den Haag",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/fritz-hirsch-operette/"
  },
  {
   "id": "goog",
   "name": "Gelders Opera- en Operette Gezelschap",
   "status": "active",
   "city": "Oosterbeek",
   "province": "Gelderland",
   "website": "https://goog.nl/",
   "url": "https://operetteinnederland.nl/organisatie/goog/"
  },
  {
   "id": "gezelschap-ben-ter-hall",
   "name": "Gezelschap Ben ter Hall",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/gezelschap-ben-ter-hall/"
  },
  {
   "id": "gezelschap-difraen",
   "name": "Gezelschap Difraën",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/gezelschap-difraen/"
  },
  {
   "id": "gezelschap-flora-difraen",
   "name": "Gezelschap Flora/Difraen",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/gezelschap-flora-difraen/"
  },
  {
   "id": "gezelschap-frans-du-mee",
   "name": "Gezelschap Frans du Mée",
   "status": "dissolved",
   "city": "Rotterdam",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/gezelschap-frans-du-mee/"
  },
  {
   "id": "gezelschap-grand-theatre",
   "name": "Gezelschap Grand Théâtre",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/gezelschap-grand-theatre/"
  },
  {
   "id": "gezelschap-kiehl-kelly",
   "name": "Gezelschap Kiehl & Kelly",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/gezelschap-kiehl-kelly/"
  },
  {
   "id": "goov-groningen",
   "name": "GOOV Muziektheater",
   "status": "active",
   "city": "Groningen",
   "province": "Groningen",
   "website": "https://goov.nl/",
   "url": "https://operetteinnederland.nl/organisatie/goov-groningen/"
  },
  {
   "id": "gorcums-opera-en-operette-koor-gook",
   "name": "Gorcums Opera en Operette Koor (GOOK)",
   "status": "active",
   "city": "Gorinchem",
   "province": "Zuid-Holland",
   "website": "https://www.gook.nl/",
   "url": "https://operetteinnederland.nl/organisatie/gorcums-opera-en-operette-koor-gook/"
  },
  {
   "id": "goudse-operette",
   "name": "Gouds Muziektheater",
   "status": "active",
   "city": "Gouda",
   "province": "Zuid-Holland",
   "website": "https://goudsmuziektheater.nl/",
   "url": "https://operetteinnederland.nl/organisatie/goudse-operette/"
  },
  {
   "id": "groninger-operette-ensemble",
   "name": "Groninger Operette-Ensemble",
   "status": "dissolved",
   "city": "Groningen",
   "province": "Groningen",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/groninger-operette-ensemble/"
  },
  {
   "id": "groots-en-meeslepend",
   "name": "Groots en Meeslepend",
   "status": "active",
   "city": "Haarlem",
   "province": "Noord-Holland",
   "website": "https://www.grootsenmeeslepend.nl/",
   "url": "https://operetteinnederland.nl/organisatie/groots-en-meeslepend/"
  },
  {
   "id": "harener-thalia",
   "name": "Harener Operettevereniging Thalia",
   "status": "active",
   "city": "Haren",
   "province": "Groningen",
   "website": "https://thaliaharen.nl/",
   "url": "https://operetteinnederland.nl/organisatie/harener-thalia/"
  },
  {
   "id": "havenstad-operette",
   "name": "Havenstad Operette",
   "status": "unverified",
   "city": "Rotterdam",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/havenstad-operette/"
  },
  {
   "id": "heilooer-ov",
   "name": "Heilooer Operette Vereniging",
   "status": "dissolved",
   "city": "Heiloo",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/heilooer-ov/"
  },
  {
   "id": "aspk",
   "name": "Het ASPK",
   "status": "active",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": "https://www.hetaspk.nl/",
   "url": "https://operetteinnederland.nl/organisatie/aspk/"
  },
  {
   "id": "het-maaslands-oss",
   "name": "Het Maaslands Operette en Musical Gezelschap",
   "status": "dormant",
   "city": "Oss",
   "province": "Noord-Brabant",
   "website": "http://www.hetmaaslands.nl/",
   "url": "https://operetteinnederland.nl/organisatie/het-maaslands-oss/"
  },
  {
   "id": "hofstad-theaterkoor-den-haag",
   "name": "Hofstad Theaterkoor",
   "status": "unverified",
   "city": "Den Haag",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/hofstad-theaterkoor-den-haag/"
  },
  {
   "id": "hollandsch-opera-gezelschap",
   "name": "Hollandsch Opera-Gezelschap",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/hollandsch-opera-gezelschap/"
  },
  {
   "id": "hollandsch-operettegezelschap-1929",
   "name": "Hollandsch Operette Gezelschap",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/hollandsch-operettegezelschap-1929/"
  },
  {
   "id": "hoofdstad-operette",
   "name": "Hoofdstad Operette",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/hoofdstad-operette/"
  },
  {
   "id": "hoornse-ov",
   "name": "Hoornse Operette Vereniging",
   "status": "dissolved",
   "city": "Hoorn",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/hoornse-ov/"
  },
  {
   "id": "vides-ijmuiden",
   "name": "IJmuider Operette Gezelschap VIDES",
   "status": "dissolved",
   "city": "IJmuiden",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/vides-ijmuiden/"
  },
  {
   "id": "jeugdoperettevereniging-lentebloemen-den-helder",
   "name": "Jeugdoperettevereniging Lentebloemen",
   "status": "unverified",
   "city": "Den Helder",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/jeugdoperettevereniging-lentebloemen-den-helder/"
  },
  {
   "id": "krommenieer-ov",
   "name": "Krommenieer Operette Vereniging",
   "status": "dissolved",
   "city": "Krommenie",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/krommenieer-ov/"
  },
  {
   "id": "crescendo-leiden",
   "name": "Leids Operettegezelschap Crescendo",
   "status": "unverified",
   "city": "Leiden",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/crescendo-leiden/"
  },
  {
   "id": "limburgs-symfonie-orkest",
   "name": "Limburgs Symfonie Orkest",
   "status": "dissolved",
   "city": "Maastricht",
   "province": "Limburg",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/limburgs-symfonie-orkest/"
  },
  {
   "id": "mestreechter-ov",
   "name": "Mestreechter Operette Vereniging",
   "status": "active",
   "city": "Maastricht",
   "province": "Limburg",
   "website": "https://www.movmaastricht.nl/",
   "url": "https://operetteinnederland.nl/organisatie/mestreechter-ov/"
  },
  {
   "id": "middelburgs-musical-en-operettegezelschap-papillon",
   "name": "Middelburgs Musical- en Operettegezelschap Papillon",
   "status": "active",
   "city": "Middelburg",
   "province": "Zeeland",
   "website": "https://www.musicalgroeppapillon.com/",
   "url": "https://operetteinnederland.nl/organisatie/middelburgs-musical-en-operettegezelschap-papillon/"
  },
  {
   "id": "music-all-enschede",
   "name": "Music All Enschede",
   "status": "active",
   "city": "Enschede",
   "province": "Overijssel",
   "website": "https://www.music-all.nl/",
   "url": "https://operetteinnederland.nl/organisatie/music-all-enschede/"
  },
  {
   "id": "mop-purmerend",
   "name": "Musical & Operette Purmerend",
   "status": "active",
   "city": "Purmerend",
   "province": "Noord-Holland",
   "website": "https://www.musicalenoperettepurmerend.nl/",
   "url": "https://operetteinnederland.nl/organisatie/mop-purmerend/"
  },
  {
   "id": "musical-gang-amsterdam",
   "name": "Musical Gang",
   "status": "unverified",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/musical-gang-amsterdam/"
  },
  {
   "id": "musical-en-operettevereniging-deventer",
   "name": "Musical- en Operettevereniging Deventer",
   "status": "unverified",
   "city": "Deventer",
   "province": "Overijssel",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/musical-en-operettevereniging-deventer/"
  },
  {
   "id": "musicalvereniging-dos",
   "name": "Musicalvereniging DOS",
   "status": "active",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": "https://www.musicalverenigingdos.nl/",
   "url": "https://operetteinnederland.nl/organisatie/musicalvereniging-dos/"
  },
  {
   "id": "nieuw-leven-schermerhorn",
   "name": "Musicalvereniging Nieuw Leven",
   "status": "active",
   "city": "Schermerhorn",
   "province": "Noord-Holland",
   "website": "https://www.musical-nieuwleven.nl/",
   "url": "https://operetteinnederland.nl/organisatie/nieuw-leven-schermerhorn/"
  },
  {
   "id": "musicalvereniging-zwaag",
   "name": "Musicalvereniging Zwaag",
   "status": "active",
   "city": "Zwaag",
   "province": null,
   "website": "https://www.musicalzwaag.nl/",
   "url": "https://operetteinnederland.nl/organisatie/musicalvereniging-zwaag/"
  },
  {
   "id": "muzemento",
   "name": "Muzemento",
   "status": "active",
   "city": "Tilburg",
   "province": "Noord-Brabant",
   "website": "https://muzemento.nl/",
   "url": "https://operetteinnederland.nl/organisatie/muzemento/"
  },
  {
   "id": "academisch-genootschap-eindhoven",
   "name": "Muziekgezelschap van het Academisch Genootschap Eindhoven",
   "status": "unverified",
   "city": "Eindhoven",
   "province": "Noord-Brabant",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/academisch-genootschap-eindhoven/"
  },
  {
   "id": "amersfoorts-oog",
   "name": "Muziektheater Amersfoort",
   "status": "active",
   "city": "Amersfoort",
   "province": "Utrecht",
   "website": "https://www.muziektheateramersfoort.nl/",
   "url": "https://operetteinnederland.nl/organisatie/amersfoorts-oog/"
  },
  {
   "id": "muziektheater-apeldoorn",
   "name": "MuziekTheater Apeldoorn",
   "status": "active",
   "city": "Apeldoorn",
   "province": "Gelderland",
   "website": "https://muziektheaterapeldoorn.nl/",
   "url": "https://operetteinnederland.nl/organisatie/muziektheater-apeldoorn/"
  },
  {
   "id": "bel-canto-vechtstreek-dalfsen",
   "name": "Muziektheater Bel Canto Vechtstreek",
   "status": "dissolved",
   "city": "Dalfsen",
   "province": "Overijssel",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/bel-canto-vechtstreek-dalfsen/"
  },
  {
   "id": "stadskanaalster-ov",
   "name": "Muziektheater de Kanaalstreek",
   "status": "active",
   "city": "Stadskanaal",
   "province": "Groningen",
   "website": "https://www.muziektheaterdekanaalstreek.nl/",
   "url": "https://operetteinnederland.nl/organisatie/stadskanaalster-ov/"
  },
  {
   "id": "muziektheater-gezelschap-scala",
   "name": "Muziektheater Gezelschap Scala",
   "status": "active",
   "city": "Alkmaar",
   "province": "Noord-Holland",
   "website": "https://www.scala-alkmaar.nl/",
   "url": "https://operetteinnederland.nl/organisatie/muziektheater-gezelschap-scala/"
  },
  {
   "id": "muziektheater-servus-almelo",
   "name": "Muziektheater Servus",
   "status": "active",
   "city": "Almelo",
   "province": "Overijssel",
   "website": "https://www.servus-almelo.nl/",
   "url": "https://operetteinnederland.nl/organisatie/muziektheater-servus-almelo/"
  },
  {
   "id": "muziektheater-vakk",
   "name": "Muziektheater VAKK",
   "status": "active",
   "city": "Dedemsvaart",
   "province": "Overijssel",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/muziektheater-vakk/"
  },
  {
   "id": "muziektheatervereniging-la-mascotte",
   "name": "Muziektheatervereniging La Mascotte",
   "status": "active",
   "city": "Emmeloord",
   "province": "Flevoland",
   "website": "https://www.lamascotte.nl",
   "url": "https://operetteinnederland.nl/organisatie/muziektheatervereniging-la-mascotte/"
  },
  {
   "id": "mvo-operette-den-haag",
   "name": "MVO Operette Den Haag",
   "status": "unverified",
   "city": "Den Haag",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/mvo-operette-den-haag/"
  },
  {
   "id": "nog-muziektheater-haarlem",
   "name": "N.O.G. Muziektheater",
   "status": "dissolved",
   "city": "Haarlem",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/nog-muziektheater-haarlem/"
  },
  {
   "id": "nv-nederlandsche-opera-en-operette",
   "name": "N.V. Nederlandsche Opera en Operette",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/nv-nederlandsche-opera-en-operette/"
  },
  {
   "id": "nationaal-museum-van-speelklok-tot-pierement",
   "name": "Nationaal Museum Van Speelklok tot Pierement",
   "status": "active",
   "city": "Utrecht",
   "province": "Utrecht",
   "website": "https://www.museumspeelklok.nl/",
   "url": "https://operetteinnederland.nl/organisatie/nationaal-museum-van-speelklok-tot-pierement/"
  },
  {
   "id": "nederlands-operette-theater",
   "name": "Nederlands Operette Theater",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/nederlands-operette-theater/"
  },
  {
   "id": "nederlandsch-operette-gezelschap-1925",
   "name": "Nederlandsch Operette Gezelschap",
   "status": "dissolved",
   "city": "Den Haag",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/nederlandsch-operette-gezelschap-1925/"
  },
  {
   "id": "nov-amsterdam",
   "name": "Nederlandsche Operette Amateur Vereniging",
   "status": "unverified",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/nov-amsterdam/"
  },
  {
   "id": "nieuwstad-operette-nieuwegein",
   "name": "Nieuwstad Operette",
   "status": "dissolved",
   "city": "Nieuwegein",
   "province": "Utrecht",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/nieuwstad-operette-nieuwegein/"
  },
  {
   "id": "nijmeegs-opera-operette-gezelschap",
   "name": "Nijmeegs Opera en Operette Gezelschap",
   "status": "unverified",
   "city": "Nijmegen",
   "province": "Gelderland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/nijmeegs-opera-operette-gezelschap/"
  },
  {
   "id": "nov-epe",
   "name": "Noord Veluwse Operette Vereniging",
   "status": "unverified",
   "city": "Epe",
   "province": "Gelderland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/nov-epe/"
  },
  {
   "id": "carmina-ludicra",
   "name": "NSK Carmina Ludicra",
   "status": "active",
   "city": "Nijmegen",
   "province": "Gelderland",
   "website": "https://www.carminaludicra.nl/",
   "url": "https://operetteinnederland.nl/organisatie/carmina-ludicra/"
  },
  {
   "id": "oisterwijkse-operettevereniging",
   "name": "Oisterwijkse Operettevereniging",
   "status": "dissolved",
   "city": "Oisterwijk",
   "province": "Noord-Brabant",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/oisterwijkse-operettevereniging/"
  },
  {
   "id": "gasparone-oldenzaal",
   "name": "Oldenzaalse Operette Vereniging Gasparone",
   "status": "dissolved",
   "city": "Oldenzaal",
   "province": "Overijssel",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/gasparone-oldenzaal/"
  },
  {
   "id": "omlandia-warffum",
   "name": "Omlandia",
   "status": "dormant",
   "city": "Warffum",
   "province": "Groningen",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/omlandia-warffum/"
  },
  {
   "id": "stichting-zuid-nederlands-opera-operettekoor-wilhelmina",
   "name": "Opera & Operettekoor Wilhelmina",
   "status": "active",
   "city": "Breda",
   "province": "Noord-Brabant",
   "website": "https://koorwilhelmina.nl",
   "url": "https://operetteinnederland.nl/organisatie/stichting-zuid-nederlands-opera-operettekoor-wilhelmina/"
  },
  {
   "id": "opera-avanti",
   "name": "Opera Avanti",
   "status": "active",
   "city": "Heerhugowaard",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/opera-avanti/"
  },
  {
   "id": "opera-compact",
   "name": "Opera Compact",
   "status": "active",
   "city": "Maastricht",
   "province": "Limburg",
   "website": "https://www.operacompact.nl",
   "url": "https://operetteinnederland.nl/organisatie/opera-compact/"
  },
  {
   "id": "opera-festa",
   "name": "Opera Festa",
   "status": "active",
   "city": "Leiden",
   "province": "Zuid-Holland",
   "website": "https://www.operafesta.nl/",
   "url": "https://operetteinnederland.nl/organisatie/opera-festa/"
  },
  {
   "id": "opera-spanga",
   "name": "Opera Spanga",
   "status": "active",
   "city": "Spanga",
   "province": "Friesland",
   "website": "https://www.operaspanga.nl",
   "url": "https://operetteinnederland.nl/organisatie/opera-spanga/"
  },
  {
   "id": "opera-viva-festival",
   "name": "Opera Viva Festival",
   "status": "active",
   "city": "Woerden",
   "province": "Utrecht",
   "website": "https://www.operavivafestival.nl/",
   "url": "https://operetteinnederland.nl/organisatie/opera-viva-festival/"
  },
  {
   "id": "opera-zuid",
   "name": "Opera Zuid",
   "status": "active",
   "city": "Maastricht",
   "province": "Limburg",
   "website": "https://www.operazuid.nl/",
   "url": "https://operetteinnederland.nl/organisatie/opera-zuid/"
  },
  {
   "id": "hulsbergen",
   "name": "Opera- en operettegezelschap Hulsbergen",
   "status": "dissolved",
   "city": "Haarlem",
   "province": null,
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/hulsbergen/"
  },
  {
   "id": "orpheus-roermond",
   "name": "Opera- en Operettegezelschap Orpheus",
   "status": "unverified",
   "city": "Roermond",
   "province": "Limburg",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/orpheus-roermond/"
  },
  {
   "id": "les-rigolaux",
   "name": "Opera- en Operettekoor Joure en omstreken Les Rigolaux",
   "status": "unverified",
   "city": "Joure",
   "province": "Friesland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/les-rigolaux/"
  },
  {
   "id": "opera-en-operettevereniging-de-lijster",
   "name": "Opera- en Operettevereniging De Lijster",
   "status": "unverified",
   "city": "Woudenberg",
   "province": "Utrecht",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/opera-en-operettevereniging-de-lijster/"
  },
  {
   "id": "opera-en-operettevereniging-emmen",
   "name": "Opera- en Operettevereniging Emmen",
   "status": "unverified",
   "city": "Emmen",
   "province": "Drenthe",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/opera-en-operettevereniging-emmen/"
  },
  {
   "id": "ons-koor-dordrecht",
   "name": "Opera- en Operettevereniging Ons Koor",
   "status": "dissolved",
   "city": "Dordrecht",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/ons-koor-dordrecht/"
  },
  {
   "id": "o-m-zaanstad",
   "name": "Operette en Musical Zaanstad",
   "status": "dormant",
   "city": "Wormerveer",
   "province": "Noord-Holland",
   "website": "https://omzaanstad.wordpress.com/",
   "url": "https://operetteinnederland.nl/organisatie/o-m-zaanstad/"
  },
  {
   "id": "operette-gezellen-sint-anthonis",
   "name": "Operette Gezellen Sint Anthonis",
   "status": "dissolved",
   "city": "Sint Anthonis",
   "province": "Noord-Brabant",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/operette-gezellen-sint-anthonis/"
  },
  {
   "id": "operettegezelschap-van-aerschot-boskamp",
   "name": "Operette Gezelschap Van Aerschot & Boskamp",
   "status": "dissolved",
   "city": "Rotterdam",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/operettegezelschap-van-aerschot-boskamp/"
  },
  {
   "id": "operette-mozaiek",
   "name": "Operette Mozaiek",
   "status": "dissolved",
   "city": "Noordwijk",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/operette-mozaiek/"
  },
  {
   "id": "operette-rosmalen",
   "name": "Operette Rosmalen",
   "status": "active",
   "city": "Rosmalen",
   "province": "Noord-Brabant",
   "website": "http://operetterosmalen.nl/",
   "url": "https://operetteinnederland.nl/organisatie/operette-rosmalen/"
  },
  {
   "id": "animato-leeuwarden",
   "name": "Operette Vereniging Animato",
   "status": "dissolved",
   "city": "Leeuwarden",
   "province": "Friesland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/animato-leeuwarden/"
  },
  {
   "id": "victoria-heerhugowaard",
   "name": "Operette Vereniging Victoria",
   "status": "unverified",
   "city": "Heerhugowaard",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/victoria-heerhugowaard/"
  },
  {
   "id": "ov-zuidlaren",
   "name": "Operette Vereniging Zuidlaren",
   "status": "dormant",
   "city": "Zuidlaren",
   "province": "Drenthe",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/ov-zuidlaren/"
  },
  {
   "id": "orpheus-amsterdam",
   "name": "Operette Zangers Groep Orpheus",
   "status": "unverified",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/orpheus-amsterdam/"
  },
  {
   "id": "omva-almere",
   "name": "Operette- en Musicalvereniging Almere",
   "status": "unverified",
   "city": "Almere",
   "province": "Flevoland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/omva-almere/"
  },
  {
   "id": "operette-en-musicalvereniging-servus-waalwijk",
   "name": "Operette- en Musicalvereniging Servus",
   "status": "dissolved",
   "city": "Waalwijk",
   "province": "Noord-Brabant",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/operette-en-musicalvereniging-servus-waalwijk/"
  },
  {
   "id": "masker-oldenzaal",
   "name": "Operettegezelschap 't Masker",
   "status": "dissolved",
   "city": "Oldenzaal",
   "province": "Overijssel",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/masker-oldenzaal/"
  },
  {
   "id": "operettegezelschap-beppie-de-vries",
   "name": "Operettegezelschap Beppie de Vries",
   "status": "unverified",
   "city": "Den Haag",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/operettegezelschap-beppie-de-vries/"
  },
  {
   "id": "operettegezelschap-flora",
   "name": "Operettegezelschap Flora",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/operettegezelschap-flora/"
  },
  {
   "id": "operettegezelschap-jacques-van-bijlevelt",
   "name": "Operettegezelschap Jacques van Bijlevelt",
   "status": "dissolved",
   "city": "Den Haag",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/operettegezelschap-jacques-van-bijlevelt/"
  },
  {
   "id": "operettegezelschap-lelystad",
   "name": "Operettegezelschap Lelystad",
   "status": "unverified",
   "city": "Lelystad",
   "province": "Flevoland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/operettegezelschap-lelystad/"
  },
  {
   "id": "operettekoor-almere",
   "name": "OperetteKoor Almere",
   "status": "unverified",
   "city": "Almere",
   "province": null,
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/operettekoor-almere/"
  },
  {
   "id": "ado-paterswolde",
   "name": "Operettevereniging A.D.O.",
   "status": "dissolved",
   "city": "Paterswolde",
   "province": "Drenthe",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/ado-paterswolde/"
  },
  {
   "id": "operettevereniging-akersloot-uitgeest",
   "name": "Operettevereniging Akersloot-Uitgeest",
   "status": "unverified",
   "city": "Akersloot",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/operettevereniging-akersloot-uitgeest/"
  },
  {
   "id": "amicitia-winschoten",
   "name": "Operettevereniging Amicitia",
   "status": "dissolved",
   "city": "Winschoten",
   "province": "Groningen",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/amicitia-winschoten/"
  },
  {
   "id": "amicitia-zevenaar",
   "name": "Operettevereniging Amicitia Zevenaar",
   "status": "dissolved",
   "city": "Zevenaar",
   "province": "Gelderland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/amicitia-zevenaar/"
  },
  {
   "id": "belcanto-voorschoten",
   "name": "Operettevereniging Belcanto",
   "status": "unverified",
   "city": "Voorschoten",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/belcanto-voorschoten/"
  },
  {
   "id": "de-troubadours-oegstgeest",
   "name": "Operettevereniging De Troubadours",
   "status": "active",
   "city": "Oegstgeest",
   "province": "Zuid-Holland",
   "website": "https://www.detroubadours.com/",
   "url": "https://operetteinnederland.nl/organisatie/de-troubadours-oegstgeest/"
  },
  {
   "id": "jonghe-haghesangers",
   "name": "Operettevereniging Die Jonghe Haghesangers",
   "status": "unverified",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/jonghe-haghesangers/"
  },
  {
   "id": "irene-rotterdam",
   "name": "Operettevereniging Irene",
   "status": "unverified",
   "city": "Rotterdam",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/irene-rotterdam/"
  },
  {
   "id": "jan-overhuys-operettevereniging",
   "name": "Operettevereniging Jan Overhuys",
   "status": "unverified",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/jan-overhuys-operettevereniging/"
  },
  {
   "id": "operettevereniging-odeon",
   "name": "Operettevereniging Odeon",
   "status": "dissolved",
   "city": "Alkmaar",
   "province": "Noord-Holland",
   "website": "https://www.odeonoperette.nl/",
   "url": "https://operetteinnederland.nl/organisatie/operettevereniging-odeon/"
  },
  {
   "id": "renova-enkhuizen",
   "name": "Operettevereniging Renova",
   "status": "dissolved",
   "city": "Enkhuizen",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/renova-enkhuizen/"
  },
  {
   "id": "west-frisia-winkel",
   "name": "Operettevereniging West-Frisia",
   "status": "unverified",
   "city": "Winkel",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/west-frisia-winkel/"
  },
  {
   "id": "opera-comique-maastricht",
   "name": "Opéra Comique Maastricht",
   "status": "active",
   "city": "Maastricht",
   "province": "Limburg",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/opera-comique-maastricht/"
  },
  {
   "id": "ova-musicals-amstelveen",
   "name": "OVA Musicals",
   "status": "active",
   "city": "Amstelveen",
   "province": "Noord-Holland",
   "website": "https://www.ovamusicals.nl/",
   "url": "https://operetteinnederland.nl/organisatie/ova-musicals-amstelveen/"
  },
  {
   "id": "ovw-muziektheater",
   "name": "OVW Muziektheater",
   "status": "active",
   "city": "Veendam",
   "province": "Groningen",
   "website": "https://operetteovw.nl/",
   "url": "https://operetteinnederland.nl/organisatie/ovw-muziektheater/"
  },
  {
   "id": "pro-burletta",
   "name": "Pro Burletta",
   "status": "dissolved",
   "city": "Hoogezand-Sappemeer",
   "province": "Groningen",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/pro-burletta/"
  },
  {
   "id": "rom-koor-mijdrecht",
   "name": "Regionaal Operette- en Musicalkoor",
   "status": "active",
   "city": "Mijdrecht",
   "province": "Utrecht",
   "website": "https://www.romkoor.nl/",
   "url": "https://operetteinnederland.nl/organisatie/rom-koor-mijdrecht/"
  },
  {
   "id": "residentie-operette-1948",
   "name": "Residentie Operette",
   "status": "dissolved",
   "city": "Den Haag",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/residentie-operette-1948/"
  },
  {
   "id": "residentie-operette-odes",
   "name": "Residentie Operette ODES",
   "status": "active",
   "city": "Den Haag",
   "province": "Zuid-Holland",
   "website": "https://muziektheaterodes.nl/",
   "url": "https://operetteinnederland.nl/organisatie/residentie-operette-odes/"
  },
  {
   "id": "residentie-operettegezelschap-1933",
   "name": "Residentie Operettegezelschap",
   "status": "dissolved",
   "city": "Den Haag",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/residentie-operettegezelschap-1933/"
  },
  {
   "id": "rijnstad-vocaaltheater",
   "name": "Rijnstad Vocaaltheater",
   "status": "active",
   "city": "Arnhem",
   "province": "Gelderland",
   "website": "https://rijnstadvocaaltheater.nl/",
   "url": "https://operetteinnederland.nl/organisatie/rijnstad-vocaaltheater/"
  },
  {
   "id": "rotterdams-opera-operette-gezelschap",
   "name": "Rotterdams Opera & Operette Gezelschap",
   "status": "unverified",
   "city": "Rotterdam",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/rotterdams-opera-operette-gezelschap/"
  },
  {
   "id": "rotterdamsch-operette-gezelschap-1927",
   "name": "Rotterdamsch Operette Gezelschap",
   "status": "dissolved",
   "city": "Rotterdam",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/rotterdamsch-operette-gezelschap-1927/"
  },
  {
   "id": "rotterdamsch-operette-gezelschap-nap-de-la-mar",
   "name": "Rotterdamsch Operette Gezelschap (Nap de la Mar)",
   "status": "dissolved",
   "city": "Rotterdam",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/rotterdamsch-operette-gezelschap-nap-de-la-mar/"
  },
  {
   "id": "rozenburgs-operettekoor",
   "name": "Rozenburgs Operettekoor",
   "status": "dissolved",
   "city": "Rozenburg",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/rozenburgs-operettekoor/"
  },
  {
   "id": "stichting-arti-vocaal",
   "name": "Stichting Arti Vocaal",
   "status": "active",
   "city": "Vianen",
   "province": "Utrecht",
   "website": "https://www.artivocaalvianen.nl/",
   "url": "https://operetteinnederland.nl/organisatie/stichting-arti-vocaal/"
  },
  {
   "id": "cultuurnacht-waterland",
   "name": "Stichting CultuurNacht Waterland",
   "status": "dormant",
   "city": "Monnickendam",
   "province": "Noord-Holland",
   "website": "https://operanacht.nl/",
   "url": "https://operetteinnederland.nl/organisatie/cultuurnacht-waterland/"
  },
  {
   "id": "stichting-dario-fo",
   "name": "Stichting Dario Fo",
   "status": "dissolved",
   "city": "Poeldijk",
   "province": "Zuid-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/stichting-dario-fo/"
  },
  {
   "id": "klein-operakoor-wilhelminapark",
   "name": "Stichting Klein OperaKoor Wilhelminapark",
   "status": "active",
   "city": "Utrecht",
   "province": "Utrecht",
   "website": "https://www.kleinoperakoor.nl/",
   "url": "https://operetteinnederland.nl/organisatie/klein-operakoor-wilhelminapark/"
  },
  {
   "id": "stichting-lustrum-operette",
   "name": "Stichting Lustrum Operette",
   "status": "unverified",
   "city": "Groningen",
   "province": "Groningen",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/stichting-lustrum-operette/"
  },
  {
   "id": "stichting-musicalgroep-utrecht",
   "name": "Stichting Musicalgroep Utrecht",
   "status": "active",
   "city": "Utrecht",
   "province": "Utrecht",
   "website": "https://www.musicalgroeputrecht.nl/",
   "url": "https://operetteinnederland.nl/organisatie/stichting-musicalgroep-utrecht/"
  },
  {
   "id": "stichting-oss-cultureel",
   "name": "Stichting Oss Cultureel",
   "status": "active",
   "city": "Oss",
   "province": "Noord-Brabant",
   "website": "https://ossecultuurmakers.nl/",
   "url": "https://operetteinnederland.nl/organisatie/stichting-oss-cultureel/"
  },
  {
   "id": "volksopera-nederland",
   "name": "Stichting Volksopera Nederland",
   "status": "active",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": "https://www.volksopera.nl/",
   "url": "https://operetteinnederland.nl/organisatie/volksopera-nederland/"
  },
  {
   "id": "poly-hymnia-zeist",
   "name": "Stichts Muziektheater Vereniging Polyhymnia",
   "status": "active",
   "city": "Zeist",
   "province": "Utrecht",
   "website": "https://www.polyhymnia-zeist.nl/",
   "url": "https://operetteinnederland.nl/organisatie/poly-hymnia-zeist/"
  },
  {
   "id": "studenten-toneelvereniging-amsterdam",
   "name": "Studenten Toneelvereniging Amsterdam",
   "status": "active",
   "city": "Amsterdam",
   "province": null,
   "website": "https://www.sta-toneel.nl/",
   "url": "https://operetteinnederland.nl/organisatie/studenten-toneelvereniging-amsterdam/"
  },
  {
   "id": "studio65-vocaal-theater",
   "name": "Studio65 Vocaal Theater",
   "status": "active",
   "city": "Enschede",
   "province": "Overijssel",
   "website": "https://studio65.nl/",
   "url": "https://operetteinnederland.nl/organisatie/studio65-vocaal-theater/"
  },
  {
   "id": "thalia-muziektheater-hollands-kroon",
   "name": "Thalia Muziektheater Hollands Kroon",
   "status": "active",
   "city": "Den Oever",
   "province": "Noord-Holland",
   "website": "https://www.thalia-hollandskroon.nl/",
   "url": "https://operetteinnederland.nl/organisatie/thalia-muziektheater-hollands-kroon/"
  },
  {
   "id": "thalia-amsterdam",
   "name": "Thalia Opera & Operette",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/thalia-amsterdam/"
  },
  {
   "id": "theaterkoor-caecilia-kampen",
   "name": "Theaterkoor Caecilia",
   "status": "active",
   "city": "Kampen",
   "province": "Overijssel",
   "website": "https://theaterkoorcaecilia.nl/",
   "url": "https://operetteinnederland.nl/organisatie/theaterkoor-caecilia-kampen/"
  },
  {
   "id": "tilburgse-operette-vereniging",
   "name": "Tilburgse Operette Vereniging",
   "status": "unverified",
   "city": "Tilburg",
   "province": "Noord-Brabant",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/tilburgse-operette-vereniging/"
  },
  {
   "id": "toneelschuur-producties",
   "name": "Toneelschuur Producties",
   "status": "active",
   "city": "Haarlem",
   "province": "Noord-Holland",
   "website": "https://www.toneelschuurproducties.nl/",
   "url": "https://operetteinnederland.nl/organisatie/toneelschuur-producties/"
  },
  {
   "id": "toneelvereniging-herman-heijermans-olst",
   "name": "Toneelvereniging Herman Heijermans Olst",
   "status": "active",
   "city": "Olst",
   "province": "Overijssel",
   "website": "https://heijermanstoneelolst.nl/",
   "url": "https://operetteinnederland.nl/organisatie/toneelvereniging-herman-heijermans-olst/"
  },
  {
   "id": "kunstgenot-maastricht",
   "name": "Tooneelgezelschap Kunstgenot",
   "status": "dissolved",
   "city": "Maastricht",
   "province": "Limburg",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/kunstgenot-maastricht/"
  },
  {
   "id": "una-voce-bv",
   "name": "Una Voce BV",
   "status": "unverified",
   "city": null,
   "province": null,
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/una-voce-bv/"
  },
  {
   "id": "grinzing-utrecht",
   "name": "Utrechtse Operettevereniging Grinzing",
   "status": "unverified",
   "city": "Utrecht",
   "province": "Utrecht",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/grinzing-utrecht/"
  },
  {
   "id": "venloos-og",
   "name": "Venloos Operette Gezelschap",
   "status": "active",
   "city": "Venlo",
   "province": "Limburg",
   "website": "https://theaterkoorvog.nl/",
   "url": "https://operetteinnederland.nl/organisatie/venloos-og/"
  },
  {
   "id": "viva-la-musica-uden",
   "name": "Viva la Musica",
   "status": "active",
   "city": "Uden",
   "province": "Noord-Brabant",
   "website": "https://www.vivalamusica.nl/",
   "url": "https://operetteinnederland.nl/organisatie/viva-la-musica-uden/"
  },
  {
   "id": "vocaal-theater-groep-unicorno",
   "name": "Vocaal Theater Groep UniCorno",
   "status": "dormant",
   "city": "Hoorn",
   "province": "Noord-Holland",
   "website": "https://www.unicorno.nl",
   "url": "https://operetteinnederland.nl/organisatie/vocaal-theater-groep-unicorno/"
  },
  {
   "id": "hoov-hengelo",
   "name": "Vocaal Theater HOOV",
   "status": "unverified",
   "city": "Hengelo",
   "province": "Overijssel",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/hoov-hengelo/"
  },
  {
   "id": "kunst-voor-het-volk-westland",
   "name": "Westlands Koor Kunst voor het Volk",
   "status": "active",
   "city": "Naaldwijk",
   "province": "Zuid-Holland",
   "website": "https://kunstvoorhetvolk.com/",
   "url": "https://operetteinnederland.nl/organisatie/kunst-voor-het-volk-westland/"
  },
  {
   "id": "winterswijks-muziektheater",
   "name": "Winterswijks Muziek Theater",
   "status": "unverified",
   "city": "Winterswijk",
   "province": "Gelderland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/winterswijks-muziektheater/"
  },
  {
   "id": "wognummer-operette-vereniging",
   "name": "Wognummer Operette Vereniging",
   "status": "unverified",
   "city": "Wognum",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/wognummer-operette-vereniging/"
  },
  {
   "id": "wokmuziektheater",
   "name": "WOK Muziektheater",
   "status": "active",
   "city": "Weert",
   "province": "Limburg",
   "website": "https://www.wokmuziektheater.nl",
   "url": "https://operetteinnederland.nl/organisatie/wokmuziektheater/"
  },
  {
   "id": "czaar-peter",
   "name": "Zaandamse Operette Vereniging Czaar Peter",
   "status": "active",
   "city": "Zaandam",
   "province": "Noord-Holland",
   "website": "https://czaar-peter.nl/",
   "url": "https://operetteinnederland.nl/organisatie/czaar-peter/"
  },
  {
   "id": "zaanse-operette-vereniging",
   "name": "Zaanse Operette Vereniging",
   "status": "dissolved",
   "city": "Wormerveer",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/zaanse-operette-vereniging/"
  },
  {
   "id": "arti-de-rijp",
   "name": "Zang- en Operettevereniging Arti",
   "status": "unverified",
   "city": "De Rijp",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/arti-de-rijp/"
  },
  {
   "id": "zang-en-vriendschap-opmeer",
   "name": "Zang- en Operettevereniging Zang en Vriendschap",
   "status": "active",
   "city": "Opmeer",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/zang-en-vriendschap-opmeer/"
  },
  {
   "id": "zangtheatergroep-cantare",
   "name": "Zangtheatergroep Cantare",
   "status": "dissolved",
   "city": "Amsterdam",
   "province": "Noord-Holland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/zangtheatergroep-cantare/"
  },
  {
   "id": "zwols-muziektheater",
   "name": "Zwols Muziektheater",
   "status": "active",
   "city": "Zwolle",
   "province": "Overijssel",
   "website": "https://www.zwolsmuziektheater.nl/",
   "url": "https://operetteinnederland.nl/organisatie/zwols-muziektheater/"
  },
  {
   "id": "s-gravenstad-muziektheater-zutphen",
   "name": "’s-Gravenstad Muziektheater Zutphen",
   "status": "dissolved",
   "city": "Zutphen",
   "province": "Gelderland",
   "website": null,
   "url": "https://operetteinnederland.nl/organisatie/s-gravenstad-muziektheater-zutphen/"
  }
 ],
 "venues": [
  {
   "id": "t-zonnehuis",
   "name": "'t Zonnehuis",
   "city": "Amsterdam",
   "website": null
  },
  {
   "id": "amare",
   "name": "Amare",
   "city": "Den Haag",
   "website": "https://www.amare.nl/"
  },
  {
   "id": "cool-heerhugowaard",
   "name": "Cool kunst en cultuur",
   "city": "Heerhugowaard",
   "website": "https://www.coolkunstencultuur.nl/"
  },
  {
   "id": "crea",
   "name": "CREA",
   "city": "Amsterdam",
   "website": "https://www.crea.nl/"
  },
  {
   "id": "cc-jan-van-besouw",
   "name": "Cultuurcentrum Jan van Besouw",
   "city": "Goirle",
   "website": "https://janvanbesouw.nl/"
  },
  {
   "id": "cc-tiliander",
   "name": "Cultuurcentrum Tiliander",
   "city": "Oisterwijk",
   "website": "https://www.tiliander.com/"
  },
  {
   "id": "cultuurcentrum-vanberesteyn",
   "name": "cultuurcentrum vanBeresteyn",
   "city": "Veendam",
   "website": null
  },
  {
   "id": "grote-kerk-monnickendam",
   "name": "Grote Kerk",
   "city": "Monnickendam",
   "website": "https://www.grotekerkmonnickendam.nl/"
  },
  {
   "id": "kerkcentrum-de-goede-rede",
   "name": "Kerkcentrum De Goede Rede",
   "city": "Almere",
   "website": null
  },
  {
   "id": "munttheater",
   "name": "Munttheater",
   "city": "Weert",
   "website": null
  },
  {
   "id": "studio-boekman",
   "name": "Nationale Opera & Ballet, Studio Boekman",
   "city": "Amsterdam",
   "website": "https://www.operaballet.nl/"
  },
  {
   "id": "oisterwijkse-openluchttheater",
   "name": "Oisterwijkse Openluchttheater",
   "city": "Oisterwijk",
   "website": null
  },
  {
   "id": "stadsgehoorzaal-kampen",
   "name": "Stadsgehoorzaal Kampen",
   "city": "Kampen",
   "website": "https://www.stadsgehoorzaalkampen.nl/"
  },
  {
   "id": "stadsschouwburg-haarlem",
   "name": "Stadsschouwburg Haarlem",
   "city": "Haarlem",
   "website": "https://stadsschouwburghaarlem.nl/"
  },
  {
   "id": "stadsschouwburg-utrecht",
   "name": "Stadsschouwburg Utrecht",
   "city": "Utrecht",
   "website": "https://stadsschouwburg-utrecht.nl/"
  },
  {
   "id": "stadstheater-zoetermeer",
   "name": "Stadstheater Zoetermeer",
   "city": "Zoetermeer",
   "website": "https://www.stadstheater.nl/"
  },
  {
   "id": "theater-t-voorhuys",
   "name": "Theater 't Voorhuys",
   "city": "Emmeloord",
   "website": "https://www.theater-voorhuys.nl/"
  },
  {
   "id": "theater-de-beun",
   "name": "Theater De Beun",
   "city": "Heiloo",
   "website": "https://debeunheiloo.nl/"
  },
  {
   "id": "de-kunstgreep",
   "name": "Theater De KunstGreep",
   "city": "Oostzaan",
   "website": "https://www.theaterdekunstgreep.nl/"
  },
  {
   "id": "de-lindenberg",
   "name": "Theater De Lindenberg",
   "city": "Nijmegen",
   "website": "https://www.delindenberg.com/"
  },
  {
   "id": "de-purmaryn",
   "name": "Theater de Purmaryn",
   "city": "Purmerend",
   "website": "https://www.purmaryn.nl/"
  },
  {
   "id": "de-rietwijker",
   "name": "Theater de Rietwijker",
   "city": "Amsterdam",
   "website": "https://www.rietwijker.nl/"
  },
  {
   "id": "waalse-kerk",
   "name": "Waalse Kerk",
   "city": "Breda",
   "website": null
  },
  {
   "id": "zaantheater",
   "name": "Zaantheater",
   "city": "Zaandam",
   "website": "https://www.zaantheater.nl/"
  }
 ]
}